1202124042 has 48 divisors (see below), whose sum is σ = 2978681472. Its totient is φ = 343234080.

The previous prime is 1202124031. The next prime is 1202124047. The reversal of 1202124042 is 2404212021.

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 (1202124047) 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, 298003 + ... + 302009.

It is an arithmetic number, because the mean of its divisors is an integer number (62055864).

Almost surely, 2^1202124042 is an apocalyptic number.

1202124042 is an abundant number, since it is smaller than the sum of its proper divisors (1776557430).

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

1202124042 is a wasteful number, since it uses less digits than its factorization.

1202124042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403 (or 6400 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1202124042 is about 34671.6605024911. The cubic root of 1202124042 is about 1063.2851805734.

Adding to 1202124042 its reverse (2404212021), we get a palindrome (3606336063).

It can be divided in two parts, 12021 and 24042, that added together give a palindrome (36063).

The spelling of 1202124042 in words is "one billion, two hundred two million, one hundred twenty-four thousand, forty-two".