121352537 has 2 divisors, whose sum is σ = 121352538. Its totient is φ = 121352536.

The previous prime is 121352527. The next prime is 121352551. The reversal of 121352537 is 735253121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106729561 + 14622976 = 10331^2 + 3824^2 .

It is a cyclic number.

It is not a de Polignac number, because 121352537 - 2⁴ = 121352521 is a prime.

It is not a weakly prime, because it can be changed into another prime (121352527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60676268 + 60676269.

It is an arithmetic number, because the mean of its divisors is an integer number (60676269).

Almost surely, 2^121352537 is an apocalyptic number.

It is an amenable number.

121352537 is a deficient number, since it is larger than the sum of its proper divisors (1).

121352537 is an equidigital number, since it uses as much as digits as its factorization.

121352537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 29.

The square root of 121352537 is about 11016.0127541684. The cubic root of 121352537 is about 495.0886308662.

The spelling of 121352537 in words is "one hundred twenty-one million, three hundred fifty-two thousand, five hundred thirty-seven".