152355121 has 4 divisors (see below), whose sum is σ = 153197044. Its totient is φ = 151513200.

The previous prime is 152355113. The next prime is 152355143. The reversal of 152355121 is 121553251.

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 27720225 + 124634896 = 5265^2 + 11164^2 .

It is a cyclic number.

It is not a de Polignac number, because 152355121 - 2³ = 152355113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152355101) 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, 420690 + ... + 421051.

It is an arithmetic number, because the mean of its divisors is an integer number (38299261).

Almost surely, 2^152355121 is an apocalyptic number.

It is an amenable number.

152355121 is a deficient number, since it is larger than the sum of its proper divisors (841923).

152355121 is an equidigital number, since it uses as much as digits as its factorization.

152355121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841922.

The product of its digits is 1500, while the sum is 25.

The square root of 152355121 is about 12343.2216621107. The cubic root of 152355121 is about 534.0956229232.

It can be divided in two parts, 1523 and 55121, that added together give a square (56644 = 238²).

The spelling of 152355121 in words is "one hundred fifty-two million, three hundred fifty-five thousand, one hundred twenty-one".