1020402124 has 24 divisors (see below), whose sum is σ = 2044410368. Its totient is φ = 436542480.

The previous prime is 1020402113. The next prime is 1020402127. The reversal of 1020402124 is 4212040201.

1020402124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1020402124² = 2082440989327422752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020402098 and 1020402107.

It is not an unprimeable number, because it can be changed into a prime (1020402127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15924 + ... + 47899.

Almost surely, 2^1020402124 is an apocalyptic number.

1020402124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1020402124 is an abundant number, since it is smaller than the sum of its proper divisors (1024008244).

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

1020402124 is a wasteful number, since it uses less digits than its factorization.

1020402124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64405 (or 64403 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1020402124 is about 31943.7337204028. The cubic root of 1020402124 is about 1006.7549755627.

Adding to 1020402124 its reverse (4212040201), we get a palindrome (5232442325).

The spelling of 1020402124 in words is "one billion, twenty million, four hundred two thousand, one hundred twenty-four".