1102142042 has 16 divisors (see below), whose sum is σ = 1718344800. Its totient is φ = 529541040.

The previous prime is 1102142029. The next prime is 1102142053. The reversal of 1102142042 is 2402412011.

It is a self number, because there is not a number n which added to its sum of digits gives 1102142042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32792 + ... + 57267.

It is an arithmetic number, because the mean of its divisors is an integer number (107396550).

Almost surely, 2^1102142042 is an apocalyptic number.

1102142042 is a deficient number, since it is larger than the sum of its proper divisors (616202758).

1102142042 is a wasteful number, since it uses less digits than its factorization.

1102142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90301.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1102142042 is about 33198.5246961367. The cubic root of 1102142042 is about 1032.9497377667.

Adding to 1102142042 its reverse (2402412011), we get a palindrome (3504554053).

The spelling of 1102142042 in words is "one billion, one hundred two million, one hundred forty-two thousand, forty-two".