2502120154 has 4 divisors (see below), whose sum is σ = 3753180234. Its totient is φ = 1251060076.

The previous prime is 2502120151. The next prime is 2502120157. The reversal of 2502120154 is 4510212052.

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

It is an interprime number because it is at equal distance from previous prime (2502120151) and next prime (2502120157).

It can be written as a sum of positive squares in only one way, i.e., 1925015625 + 577104529 = 43875^2 + 24023^2 .

It is not an unprimeable number, because it can be changed into a prime (2502120151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625530037 + ... + 625530040.

Almost surely, 2^2502120154 is an apocalyptic number.

2502120154 is a deficient number, since it is larger than the sum of its proper divisors (1251060080).

2502120154 is a wasteful number, since it uses less digits than its factorization.

2502120154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251060079.

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

The square root of 2502120154 is about 50021.1970468520. The cubic root of 2502120154 is about 1357.5923654490.

The spelling of 2502120154 in words is "two billion, five hundred two million, one hundred twenty thousand, one hundred fifty-four".