1202649656 has 16 divisors (see below), whose sum is σ = 2428427400. Its totient is φ = 555069024.

The previous prime is 1202649653. The next prime is 1202649703. The reversal of 1202649656 is 6569462021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202649653) 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, 5781866 + ... + 5782073.

Almost surely, 2^1202649656 is an apocalyptic number.

It is an amenable number.

1202649656 is an abundant number, since it is smaller than the sum of its proper divisors (1225777744).

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

1202649656 is a wasteful number, since it uses less digits than its factorization.

1202649656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11563958 (or 11563954 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 1202649656 is about 34679.2395533697. The cubic root of 1202649656 is about 1063.4401274627.

The spelling of 1202649656 in words is "one billion, two hundred two million, six hundred forty-nine thousand, six hundred fifty-six".