120545415 has 40 divisors (see below), whose sum is σ = 225501408. Its totient is φ = 61490880.

The previous prime is 120545363. The next prime is 120545423. The reversal of 120545415 is 514545021.

120545415 is a `hidden beast` number, since 1 + 205 + 45 + 415 = 666.

It is not a de Polignac number, because 120545415 - 2⁷ = 120545287 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 an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2845 + ... + 15785.

Almost surely, 2^120545415 is an apocalyptic number.

120545415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120545415 is a deficient number, since it is larger than the sum of its proper divisors (104955993).

120545415 is a wasteful number, since it uses less digits than its factorization.

120545415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12981 (or 12972 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 120545415 is about 10979.3176017456. The cubic root of 120545415 is about 493.9885683619.

The spelling of 120545415 in words is "one hundred twenty million, five hundred forty-five thousand, four hundred fifteen".