1104042131 has 4 divisors (see below), whose sum is σ = 1104279264. Its totient is φ = 1103805000.

The previous prime is 1104042089. The next prime is 1104042133. The reversal of 1104042131 is 1312404011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312404011 = 79 ⋅16612709.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1104042131 is a prime.

It is a super-2 number, since 2×1104042131² = 2437818054046042322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1104042133) 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, 111440 + ... + 120941.

It is an arithmetic number, because the mean of its divisors is an integer number (276069816).

Almost surely, 2^1104042131 is an apocalyptic number.

1104042131 is a deficient number, since it is larger than the sum of its proper divisors (237133).

1104042131 is an equidigital number, since it uses as much as digits as its factorization.

1104042131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237132.

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

The square root of 1104042131 is about 33227.1294426708. The cubic root of 1104042131 is about 1033.5429975416.

Adding to 1104042131 its reverse (1312404011), we get a palindrome (2416446142).

The spelling of 1104042131 in words is "one billion, one hundred four million, forty-two thousand, one hundred thirty-one".