1402401061 has 2 divisors, whose sum is σ = 1402401062. Its totient is φ = 1402401060.

The previous prime is 1402400947. The next prime is 1402401067. The reversal of 1402401061 is 1601042041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1095941025 + 306460036 = 33105^2 + 17506^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402401061 - 2¹¹ = 1402399013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402401067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701200530 + 701200531.

It is an arithmetic number, because the mean of its divisors is an integer number (701200531).

Almost surely, 2^1402401061 is an apocalyptic number.

It is an amenable number.

1402401061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402401061 is an equidigital number, since it uses as much as digits as its factorization.

1402401061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1402401061 is about 37448.6456497428. The cubic root of 1402401061 is about 1119.3281102463.

The spelling of 1402401061 in words is "one billion, four hundred two million, four hundred one thousand, sixty-one".