120355890634 has 24 divisors (see below), whose sum is σ = 210116723328. Its totient is φ = 51554575800.

The previous prime is 120355890631. The next prime is 120355890637. The reversal of 120355890634 is 436098553021.

It is an interprime number because it is at equal distance from previous prime (120355890631) and next prime (120355890637).

It is not an unprimeable number, because it can be changed into a prime (120355890631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123544 + ... + 505939.

It is an arithmetic number, because the mean of its divisors is an integer number (8754863472).

Almost surely, 2^120355890634 is an apocalyptic number.

120355890634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

120355890634 is a deficient number, since it is larger than the sum of its proper divisors (89760832694).

120355890634 is a wasteful number, since it uses less digits than its factorization.

120355890634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631450 (or 631443 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 120355890634 in words is "one hundred twenty billion, three hundred fifty-five million, eight hundred ninety thousand, six hundred thirty-four".