120644051 has 8 divisors (see below), whose sum is σ = 132100608. Its totient is φ = 109269000.

The previous prime is 120643997. The next prime is 120644081. The reversal of 120644051 is 150446021.

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 120644051 - 2¹⁴ = 120627667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120644081) 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, 17255 + ... + 23216.

It is an arithmetic number, because the mean of its divisors is an integer number (16512576).

Almost surely, 2^120644051 is an apocalyptic number.

120644051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120644051 is a deficient number, since it is larger than the sum of its proper divisors (11456557).

120644051 is a wasteful number, since it uses less digits than its factorization.

120644051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40753.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 120644051 is about 10983.8085835470. The cubic root of 120644051 is about 494.1232666214.

The spelling of 120644051 in words is "one hundred twenty million, six hundred forty-four thousand, fifty-one".