120451005 has 12 divisors (see below), whose sum is σ = 208781820. Its totient is φ = 64240512.

The previous prime is 120450929. The next prime is 120451031. The reversal of 120451005 is 500154021.

It can be written as a sum of positive squares in 2 ways, for example, as 90212004 + 30239001 = 9498^2 + 5499^2 .

It is not a de Polignac number, because 120451005 - 2⁸ = 120450749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1338300 + ... + 1338389.

It is an arithmetic number, because the mean of its divisors is an integer number (17398485).

Almost surely, 2^120451005 is an apocalyptic number.

120451005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120451005 is a deficient number, since it is larger than the sum of its proper divisors (88330815).

120451005 is a wasteful number, since it uses less digits than its factorization.

120451005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676700 (or 2676697 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 120451005 is about 10975.0173120592. The cubic root of 120451005 is about 493.8595723279.

The spelling of 120451005 in words is "one hundred twenty million, four hundred fifty-one thousand, five".