120051245 has 4 divisors (see below), whose sum is σ = 144061500. Its totient is φ = 96040992.

The previous prime is 120051221. The next prime is 120051257. The reversal of 120051245 is 542150021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542150021 = 7 ⋅77450003.

It can be written as a sum of positive squares in 2 ways, for example, as 21585316 + 98465929 = 4646^2 + 9923^2 .

It is a cyclic number.

It is not a de Polignac number, because 120051245 - 2⁶ = 120051181 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12005120 + ... + 12005129.

It is an arithmetic number, because the mean of its divisors is an integer number (36015375).

Almost surely, 2^120051245 is an apocalyptic number.

It is an amenable number.

120051245 is a deficient number, since it is larger than the sum of its proper divisors (24010255).

120051245 is an equidigital number, since it uses as much as digits as its factorization.

120051245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24010254.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 120051245 is about 10956.7899039819. The cubic root of 120051245 is about 493.3126165617.

The spelling of 120051245 in words is "one hundred twenty million, fifty-one thousand, two hundred forty-five".