120252145 has 8 divisors (see below), whose sum is σ = 155402856. Its totient is φ = 88801536.

The previous prime is 120252107. The next prime is 120252151. The reversal of 120252145 is 541252021.

It can be written as a sum of positive squares in 4 ways, for example, as 42849 + 120209296 = 207^2 + 10964^2 .

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 120252145 - 2⁹ = 120251633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924952 + ... + 925081.

It is an arithmetic number, because the mean of its divisors is an integer number (19425357).

Almost surely, 2^120252145 is an apocalyptic number.

It is an amenable number.

120252145 is a deficient number, since it is larger than the sum of its proper divisors (35150711).

120252145 is a wasteful number, since it uses less digits than its factorization.

120252145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850051.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 120252145 is about 10965.9539028759. The cubic root of 120252145 is about 493.5876415386.

The spelling of 120252145 in words is "one hundred twenty million, two hundred fifty-two thousand, one hundred forty-five".