120853135400 has 48 divisors (see below), whose sum is σ = 281053066140. Its totient is φ = 48329292800.

The previous prime is 120853135373. The next prime is 120853135423. The reversal of 120853135400 is 4531358021.

It can be written as a sum of positive squares in 6 ways, for example, as 77940355684 + 42912779716 = 279178^2 + 207154^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 758720 + ... + 904080.

Almost surely, 2^120853135400 is an apocalyptic number.

120853135400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120853135400 is an abundant number, since it is smaller than the sum of its proper divisors (160199930740).

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

120853135400 is a wasteful number, since it uses less digits than its factorization.

120853135400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149534 (or 149525 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 120853135400 in words is "one hundred twenty billion, eight hundred fifty-three million, one hundred thirty-five thousand, four hundred".