1121231404 has 12 divisors (see below), whose sum is σ = 1962449104. Its totient is φ = 560531664.

The previous prime is 1121231383. The next prime is 1121231411. The reversal of 1121231404 is 4041321211.

It is a super-2 number, since 2×1121231404² = 2514319722631622432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16417 + ... + 50119.

Almost surely, 2^1121231404 is an apocalyptic number.

It is an amenable number.

1121231404 is a deficient number, since it is larger than the sum of its proper divisors (841217700).

1121231404 is a wasteful number, since it uses less digits than its factorization.

1121231404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42024 (or 42022 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1121231404 is about 33484.7936233748. The cubic root of 1121231404 is about 1038.8792796609.

Adding to 1121231404 its reverse (4041321211), we get a palindrome (5162552615).

The spelling of 1121231404 in words is "one billion, one hundred twenty-one million, two hundred thirty-one thousand, four hundred four".