1250013901 has 2 divisors, whose sum is σ = 1250013902. Its totient is φ = 1250013900.

The previous prime is 1250013829. The next prime is 1250013929. The reversal of 1250013901 is 1093100521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1174775625 + 75238276 = 34275^2 + 8674^2 .

It is an emirp because it is prime and its reverse (1093100521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1250013901 - 2⁷ = 1250013773 is a prime.

It is a super-3 number, since 3×1250013901³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250013991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625006950 + 625006951.

It is an arithmetic number, because the mean of its divisors is an integer number (625006951).

Almost surely, 2^1250013901 is an apocalyptic number.

It is an amenable number.

1250013901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250013901 is an equidigital number, since it uses as much as digits as its factorization.

1250013901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1250013901 is about 35355.5356486081. The cubic root of 1250013901 is about 1077.2213381740.

The spelling of 1250013901 in words is "one billion, two hundred fifty million, thirteen thousand, nine hundred one".