1121232402 has 32 divisors (see below), whose sum is σ = 2493072000. Its totient is φ = 373527504.

The previous prime is 1121232391. The next prime is 1121232421. The reversal of 1121232402 is 2042321211.

It is a happy number.

1121232402 is a `hidden beast` number, since 11 + 21 + 232 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107724 + ... + 117672.

It is an arithmetic number, because the mean of its divisors is an integer number (77908500).

Almost surely, 2^1121232402 is an apocalyptic number.

1121232402 is an abundant number, since it is smaller than the sum of its proper divisors (1371839598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121232402 is a wasteful number, since it uses less digits than its factorization.

1121232402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12047 (or 12041 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1121232402 is about 33484.8085256583. The cubic root of 1121232402 is about 1038.8795878938.

Adding to 1121232402 its reverse (2042321211), we get a palindrome (3163553613).

The spelling of 1121232402 in words is "one billion, one hundred twenty-one million, two hundred thirty-two thousand, four hundred two".