120154453 has 16 divisors (see below), whose sum is σ = 132269760. Its totient is φ = 108640000.

The previous prime is 120154451. The next prime is 120154457. The reversal of 120154453 is 354451021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120154453 - 2¹ = 120154451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120154451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123258 + ... + 124228.

It is an arithmetic number, because the mean of its divisors is an integer number (8266860).

Almost surely, 2^120154453 is an apocalyptic number.

It is an amenable number.

120154453 is a deficient number, since it is larger than the sum of its proper divisors (12115307).

120154453 is a wasteful number, since it uses less digits than its factorization.

120154453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 120154453 is about 10961.4986657847. The cubic root of 120154453 is about 493.4539429464.

The spelling of 120154453 in words is "one hundred twenty million, one hundred fifty-four thousand, four hundred fifty-three".