121425037 has 2 divisors, whose sum is σ = 121425038. Its totient is φ = 121425036.

The previous prime is 121425013. The next prime is 121425041. The reversal of 121425037 is 730524121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89378116 + 32046921 = 9454^2 + 5661^2 .

It is a cyclic number.

It is not a de Polignac number, because 121425037 - 2⁷ = 121424909 is a prime.

It is a super-2 number, since 2×121425037² = 29488079220902738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121425737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60712518 + 60712519.

It is an arithmetic number, because the mean of its divisors is an integer number (60712519).

Almost surely, 2^121425037 is an apocalyptic number.

It is an amenable number.

121425037 is a deficient number, since it is larger than the sum of its proper divisors (1).

121425037 is an equidigital number, since it uses as much as digits as its factorization.

121425037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 121425037 is about 11019.3029271365. The cubic root of 121425037 is about 495.1872053197.

Adding to 121425037 its reverse (730524121), we get a palindrome (851949158).

The spelling of 121425037 in words is "one hundred twenty-one million, four hundred twenty-five thousand, thirty-seven".