120747431 has 8 divisors (see below), whose sum is σ = 138328224. Its totient is φ = 103249440.

The previous prime is 120747383. The next prime is 120747433. The reversal of 120747431 is 134747021.

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

It is not a de Polignac number, because 120747431 - 2¹⁰ = 120746407 is a prime.

It is a super-2 number, since 2×120747431² = 29159884186199522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120747394 and 120747403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120747433) 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, 17540 + ... + 23433.

It is an arithmetic number, because the mean of its divisors is an integer number (17291028).

Almost surely, 2^120747431 is an apocalyptic number.

120747431 is a deficient number, since it is larger than the sum of its proper divisors (17580793).

120747431 is an equidigital number, since it uses as much as digits as its factorization.

120747431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41401.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 120747431 is about 10988.5135937487. The cubic root of 120747431 is about 494.2643645563.

The spelling of 120747431 in words is "one hundred twenty million, seven hundred forty-seven thousand, four hundred thirty-one".