1202116653 has 32 divisors (see below), whose sum is σ = 1807344000. Its totient is φ = 789609600.

The previous prime is 1202116651. The next prime is 1202116661. The reversal of 1202116653 is 3566112021.

1202116653 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 1 + 1 + 6 + 653 = 666.

It is not a de Polignac number, because 1202116653 - 2¹ = 1202116651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202116651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525873 + ... + 528153.

It is an arithmetic number, because the mean of its divisors is an integer number (56479500).

Almost surely, 2^1202116653 is an apocalyptic number.

It is an amenable number.

1202116653 is a deficient number, since it is larger than the sum of its proper divisors (605227347).

1202116653 is a wasteful number, since it uses less digits than its factorization.

1202116653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570 (or 2564 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1202116653 is about 34671.5539455618. The cubic root of 1202116653 is about 1063.2830020322.

Adding to 1202116653 its reverse (3566112021), we get a palindrome (4768228674).

It can be divided in two parts, 1202 and 116653, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 1202116653 in words is "one billion, two hundred two million, one hundred sixteen thousand, six hundred fifty-three".