1404239125061 has 2 divisors, whose sum is σ = 1404239125062. Its totient is φ = 1404239125060.

The previous prime is 1404239125057. The next prime is 1404239125063. The reversal of 1404239125061 is 1605219324041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1251252536836 + 152986588225 = 1118594^2 + 391135^2 .

It is a cyclic number.

It is not a de Polignac number, because 1404239125061 - 2² = 1404239125057 is a prime.

Together with 1404239125063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404239125063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702119562530 + 702119562531.

It is an arithmetic number, because the mean of its divisors is an integer number (702119562531).

Almost surely, 2^{1404239125061} is an apocalyptic number.

It is an amenable number.

1404239125061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404239125061 is an equidigital number, since it uses as much as digits as its factorization.

1404239125061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 1404239125061 in words is "one trillion, four hundred four billion, two hundred thirty-nine million, one hundred twenty-five thousand, sixty-one".