120547100 has 18 divisors (see below), whose sum is σ = 261587424. Its totient is φ = 48218800.

The previous prime is 120547081. The next prime is 120547121. The reversal of 120547100 is 1745021.

It is a super-3 number, since 3×120547100³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 602636 + ... + 602835.

Almost surely, 2^120547100 is an apocalyptic number.

120547100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120547100 is an abundant number, since it is smaller than the sum of its proper divisors (141040324).

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

120547100 is a wasteful number, since it uses less digits than its factorization.

120547100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205485 (or 1205478 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 120547100 is about 10979.3943366654. The cubic root of 120547100 is about 493.9908700307.

The spelling of 120547100 in words is "one hundred twenty million, five hundred forty-seven thousand, one hundred".