120071731 has 8 divisors (see below), whose sum is σ = 136914624. Its totient is φ = 104315520.

The previous prime is 120071719. The next prime is 120071747. The reversal of 120071731 is 137170021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120071731 - 2⁷ = 120071603 is a prime.

It is a super-2 number, since 2×120071731² = 28834441170672722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120071761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271435 + ... + 271876.

It is an arithmetic number, because the mean of its divisors is an integer number (17114328).

Almost surely, 2^120071731 is an apocalyptic number.

120071731 is a deficient number, since it is larger than the sum of its proper divisors (16842893).

120071731 is a wasteful number, since it uses less digits than its factorization.

120071731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543341.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 120071731 is about 10957.7247182068. The cubic root of 120071731 is about 493.3406752113.

The spelling of 120071731 in words is "one hundred twenty million, seventy-one thousand, seven hundred thirty-one".