1102787042 has 48 divisors (see below), whose sum is σ = 2045515680. Its totient is φ = 443060352.

The previous prime is 1102787041. The next prime is 1102787051. The reversal of 1102787042 is 2407872011.

It is a happy number.

It is a super-2 number, since 2×1102787042² = 2432278520006219528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1102787041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 470309 + ... + 472647.

It is an arithmetic number, because the mean of its divisors is an integer number (42614910).

Almost surely, 2^1102787042 is an apocalyptic number.

1102787042 is a deficient number, since it is larger than the sum of its proper divisors (942728638).

1102787042 is a wasteful number, since it uses less digits than its factorization.

1102787042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 1102787042 is about 33208.2375623880. The cubic root of 1102787042 is about 1033.1512008052.

The spelling of 1102787042 in words is "one billion, one hundred two million, seven hundred eighty-seven thousand, forty-two".