1250138763901 has 2 divisors, whose sum is σ = 1250138763902. Its totient is φ = 1250138763900.

The previous prime is 1250138763851. The next prime is 1250138763941. The reversal of 1250138763901 is 1093678310521.

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., 940413123001 + 309725640900 = 969749^2 + 556530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250138763901 - 2¹³ = 1250138755709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250138763941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625069381950 + 625069381951.

It is an arithmetic number, because the mean of its divisors is an integer number (625069381951).

Almost surely, 2^{1250138763901} is an apocalyptic number.

It is an amenable number.

1250138763901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250138763901 is an equidigital number, since it uses as much as digits as its factorization.

1250138763901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 1250138763901 in words is "one trillion, two hundred fifty billion, one hundred thirty-eight million, seven hundred sixty-three thousand, nine hundred one".