1142104413 has 4 divisors (see below), whose sum is σ = 1522805888. Its totient is φ = 761402940.

The previous prime is 1142104391. The next prime is 1142104429. The reversal of 1142104413 is 3144012411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3144012411 = 3 ⋅1048004137.

It is not a de Polignac number, because 1142104413 - 2¹⁷ = 1141973341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142104413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142104433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190350733 + ... + 190350738.

It is an arithmetic number, because the mean of its divisors is an integer number (380701472).

Almost surely, 2^1142104413 is an apocalyptic number.

It is an amenable number.

1142104413 is a deficient number, since it is larger than the sum of its proper divisors (380701475).

1142104413 is an equidigital number, since it uses as much as digits as its factorization.

1142104413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380701474.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1142104413 is about 33795.0353306517. The cubic root of 1142104413 is about 1045.2863276812.

Adding to 1142104413 its reverse (3144012411), we get a palindrome (4286116824).

The spelling of 1142104413 in words is "one billion, one hundred forty-two million, one hundred four thousand, four hundred thirteen".