121624733 has 2 divisors, whose sum is σ = 121624734. Its totient is φ = 121624732.

The previous prime is 121624729. The next prime is 121624777. The reversal of 121624733 is 337426121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93354244 + 28270489 = 9662^2 + 5317^2 .

It is a cyclic number.

It is not a de Polignac number, because 121624733 - 2² = 121624729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121624696 and 121624705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121624793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60812366 + 60812367.

It is an arithmetic number, because the mean of its divisors is an integer number (60812367).

Almost surely, 2^121624733 is an apocalyptic number.

It is an amenable number.

121624733 is a deficient number, since it is larger than the sum of its proper divisors (1).

121624733 is an equidigital number, since it uses as much as digits as its factorization.

121624733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 121624733 is about 11028.3603949091. The cubic root of 121624733 is about 495.4585187878.

The spelling of 121624733 in words is "one hundred twenty-one million, six hundred twenty-four thousand, seven hundred thirty-three".