152631121 has 2 divisors, whose sum is σ = 152631122. Its totient is φ = 152631120.

The previous prime is 152631103. The next prime is 152631131. The reversal of 152631121 is 121136251.

It is a happy number.

152631121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150185025 + 2446096 = 12255^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 152631121 - 2¹³ = 152622929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152631092 and 152631101.

It is not a weakly prime, because it can be changed into another prime (152631131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76315560 + 76315561.

It is an arithmetic number, because the mean of its divisors is an integer number (76315561).

Almost surely, 2^152631121 is an apocalyptic number.

It is an amenable number.

152631121 is a deficient number, since it is larger than the sum of its proper divisors (1).

152631121 is an equidigital number, since it uses as much as digits as its factorization.

152631121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 22.

The square root of 152631121 is about 12354.3968286598. The cubic root of 152631121 is about 534.4179432721.

Adding to 152631121 its reverse (121136251), we get a palindrome (273767372).

It can be divided in two parts, 15263 and 1121, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 152631121 in words is "one hundred fifty-two million, six hundred thirty-one thousand, one hundred twenty-one".