1202640528 has 20 divisors (see below), whose sum is σ = 3106821488. Its totient is φ = 400880160.

The previous prime is 1202640521. The next prime is 1202640533. The reversal of 1202640528 is 8250462021.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1202640495 and 1202640504.

It is not an unprimeable number, because it can be changed into a prime (1202640521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12527458 + ... + 12527553.

Almost surely, 2^1202640528 is an apocalyptic number.

It is an amenable number.

1202640528 is an abundant number, since it is smaller than the sum of its proper divisors (1904180960).

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

1202640528 is a wasteful number, since it uses less digits than its factorization.

1202640528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25055022 (or 25055016 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1202640528 is about 34679.1079470046. The cubic root of 1202640528 is about 1063.4374369850.

The spelling of 1202640528 in words is "one billion, two hundred two million, six hundred forty thousand, five hundred twenty-eight".