1250401402043 has 2 divisors, whose sum is σ = 1250401402044. Its totient is φ = 1250401402042.

The previous prime is 1250401401973. The next prime is 1250401402049. The reversal of 1250401402043 is 3402041040521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1250401402043 - 2²⁰ = 1250400353467 is a prime.

It is a super-2 number, since 2×1250401402043² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1250401402049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625200701021 + 625200701022.

It is an arithmetic number, because the mean of its divisors is an integer number (625200701022).

Almost surely, 2^{1250401402043} is an apocalyptic number.

1250401402043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250401402043 is an equidigital number, since it uses as much as digits as its factorization.

1250401402043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1250401402043 its reverse (3402041040521), we get a palindrome (4652442442564).

The spelling of 1250401402043 in words is "one trillion, two hundred fifty billion, four hundred one million, four hundred two thousand, forty-three".