120231774515 has 4 divisors (see below), whose sum is σ = 144278129424. Its totient is φ = 96185419608.

The previous prime is 120231774479. The next prime is 120231774581. The reversal of 120231774515 is 515477132021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120231774515 - 2¹⁸ = 120231512371 is a prime.

It is a Duffinian 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, 12023177447 + ... + 12023177456.

It is an arithmetic number, because the mean of its divisors is an integer number (36069532356).

Almost surely, 2^120231774515 is an apocalyptic number.

120231774515 is a deficient number, since it is larger than the sum of its proper divisors (24046354909).

120231774515 is an equidigital number, since it uses as much as digits as its factorization.

120231774515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24046354908.

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 120231774515 in words is "one hundred twenty billion, two hundred thirty-one million, seven hundred seventy-four thousand, five hundred fifteen".