1203402042 has 32 divisors (see below), whose sum is σ = 2736423360. Its totient is φ = 391804560.

The previous prime is 1203402041. The next prime is 1203402049. The reversal of 1203402042 is 2402043021.

1203402042 is a `hidden beast` number, since 120 + 340 + 204 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1203402041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256809 + ... + 261452.

It is an arithmetic number, because the mean of its divisors is an integer number (85513230).

Almost surely, 2^1203402042 is an apocalyptic number.

1203402042 is an abundant number, since it is smaller than the sum of its proper divisors (1533021318).

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

1203402042 is a wasteful number, since it uses less digits than its factorization.

1203402042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518315 (or 518309 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1203402042 is about 34690.0856441722. The cubic root of 1203402042 is about 1063.6618464160.

Adding to 1203402042 its reverse (2402043021), we get a palindrome (3605445063).

The spelling of 1203402042 in words is "one billion, two hundred three million, four hundred two thousand, forty-two".