120453551 has 8 divisors (see below), whose sum is σ = 128472480. Its totient is φ = 112538368.

The previous prime is 120453539. The next prime is 120453563. The reversal of 120453551 is 155354021.

It is an interprime number because it is at equal distance from previous prime (120453539) and next prime (120453563).

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

It is a de Polignac number, because none of the positive numbers 2^k-120453551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120453551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120453451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23531 + ... + 28188.

It is an arithmetic number, because the mean of its divisors is an integer number (16059060).

Almost surely, 2^120453551 is an apocalyptic number.

120453551 is a deficient number, since it is larger than the sum of its proper divisors (8018929).

120453551 is a wasteful number, since it uses less digits than its factorization.

120453551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51873.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 120453551 is about 10975.1333021517. The cubic root of 120453551 is about 493.8630519104.

The spelling of 120453551 in words is "one hundred twenty million, four hundred fifty-three thousand, five hundred fifty-one".