1202140957455 has 64 divisors (see below), whose sum is σ = 2172818995200. Its totient is φ = 630502704000.

The previous prime is 1202140957447. The next prime is 1202140957597. The reversal of 1202140957455 is 5547590412021.

1202140957455 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 140 + 9 + 57 + 455 = 666.

It is not a de Polignac number, because 1202140957455 - 2³ = 1202140957447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1202140957455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2452377 + ... + 2901453.

It is an arithmetic number, because the mean of its divisors is an integer number (33950296800).

Almost surely, 2^{1202140957455} is an apocalyptic number.

1202140957455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1202140957455 is a deficient number, since it is larger than the sum of its proper divisors (970678037745).

1202140957455 is a wasteful number, since it uses less digits than its factorization.

1202140957455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449421 (or 449415 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 1202140957455 in words is "one trillion, two hundred two billion, one hundred forty million, nine hundred fifty-seven thousand, four hundred fifty-five".