120153401 has 4 divisors (see below), whose sum is σ = 121799412. Its totient is φ = 118507392.

The previous prime is 120153379. The next prime is 120153431. The reversal of 120153401 is 104351021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72267001 + 47886400 = 8501^2 + 6920^2 .

It is a cyclic number.

It is not a de Polignac number, because 120153401 - 2²² = 115959097 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 120153401.

It is not an unprimeable number, because it can be changed into a prime (120153431) 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, 822896 + ... + 823041.

It is an arithmetic number, because the mean of its divisors is an integer number (30449853).

Almost surely, 2^120153401 is an apocalyptic number.

It is an amenable number.

120153401 is a deficient number, since it is larger than the sum of its proper divisors (1646011).

120153401 is an equidigital number, since it uses as much as digits as its factorization.

120153401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646010.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 120153401 is about 10961.4506795406. The cubic root of 120153401 is about 493.4525028137.

The spelling of 120153401 in words is "one hundred twenty million, one hundred fifty-three thousand, four hundred one".