120451601 has 4 divisors (see below), whose sum is σ = 120509952. Its totient is φ = 120393252.

The previous prime is 120451567. The next prime is 120451603. The reversal of 120451601 is 106154021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106154021 = 223 ⋅476027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120451601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120451603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25961 + ... + 30246.

It is an arithmetic number, because the mean of its divisors is an integer number (30127488).

Almost surely, 2^120451601 is an apocalyptic number.

It is an amenable number.

120451601 is a deficient number, since it is larger than the sum of its proper divisors (58351).

120451601 is an equidigital number, since it uses as much as digits as its factorization.

120451601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58350.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 120451601 is about 10975.0444646024. The cubic root of 120451601 is about 493.8603868771.

The spelling of 120451601 in words is "one hundred twenty million, four hundred fifty-one thousand, six hundred one".