1142355401 has 8 divisors (see below), whose sum is σ = 1246816800. Its totient is φ = 1037995840.

The previous prime is 1142355397. The next prime is 1142355419. The reversal of 1142355401 is 1045532411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142355401 - 2² = 1142355397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142355451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971 + ... + 47808.

It is an arithmetic number, because the mean of its divisors is an integer number (155852100).

Almost surely, 2^1142355401 is an apocalyptic number.

1142355401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1142355401 is a deficient number, since it is larger than the sum of its proper divisors (104461399).

1142355401 is a wasteful number, since it uses less digits than its factorization.

1142355401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50919.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1142355401 is about 33798.7485123340. The cubic root of 1142355401 is about 1045.3628925165.

Adding to 1142355401 its reverse (1045532411), we get a palindrome (2187887812).

The spelling of 1142355401 in words is "one billion, one hundred forty-two million, three hundred fifty-five thousand, four hundred one".