1402992121 has 2 divisors, whose sum is σ = 1402992122. Its totient is φ = 1402992120.

The previous prime is 1402992023. The next prime is 1402992193. The reversal of 1402992121 is 1212992041.

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., 1353430521 + 49561600 = 36789^2 + 7040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402992121 - 2¹³ = 1402983929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402992221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701496060 + 701496061.

It is an arithmetic number, because the mean of its divisors is an integer number (701496061).

Almost surely, 2^1402992121 is an apocalyptic number.

It is an amenable number.

1402992121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402992121 is an equidigital number, since it uses as much as digits as its factorization.

1402992121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1402992121 is about 37456.5364255693. The cubic root of 1402992121 is about 1119.4853399119.

The spelling of 1402992121 in words is "one billion, four hundred two million, nine hundred ninety-two thousand, one hundred twenty-one".