1142103401 has 4 divisors (see below), whose sum is σ = 1209285972. Its totient is φ = 1074920832.

The previous prime is 1142103397. The next prime is 1142103407. The reversal of 1142103401 is 1043012411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 336906025 + 805197376 = 18355^2 + 28376^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142103401 - 2² = 1142103397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 67182553 = 1142103401 / (1 + 1 + 4 + 2 + 1 + 0 + 3 + 4 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142103401.

It is not an unprimeable number, because it can be changed into a prime (1142103407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33591260 + ... + 33591293.

It is an arithmetic number, because the mean of its divisors is an integer number (302321493).

Almost surely, 2^1142103401 is an apocalyptic number.

It is an amenable number.

1142103401 is a deficient number, since it is larger than the sum of its proper divisors (67182571).

1142103401 is an equidigital number, since it uses as much as digits as its factorization.

1142103401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67182570.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1142103401 is about 33795.0203580350. The cubic root of 1142103401 is about 1045.2860189441.

Adding to 1142103401 its reverse (1043012411), we get a palindrome (2185115812).

The spelling of 1142103401 in words is "one billion, one hundred forty-two million, one hundred three thousand, four hundred one".