152120422 has 16 divisors (see below), whose sum is σ = 241459200. Its totient is φ = 71676360.

The previous prime is 152120407. The next prime is 152120447. The reversal of 152120422 is 224021251.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 152120422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3222 + ... + 17737.

It is an arithmetic number, because the mean of its divisors is an integer number (15091200).

Almost surely, 2^152120422 is an apocalyptic number.

152120422 is a deficient number, since it is larger than the sum of its proper divisors (89338778).

152120422 is a wasteful number, since it uses less digits than its factorization.

152120422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21171.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 152120422 is about 12333.7107960257. The cubic root of 152120422 is about 533.8212286223.

Subtracting from 152120422 its sum of digits (19), we obtain a triangular number (152120403 = T₁₇₄₄₂).

Adding to 152120422 its reverse (224021251), we get a palindrome (376141673).

The spelling of 152120422 in words is "one hundred fifty-two million, one hundred twenty thousand, four hundred twenty-two".