1250049971 has 2 divisors, whose sum is σ = 1250049972. Its totient is φ = 1250049970.

The previous prime is 1250049949. The next prime is 1250049973. The reversal of 1250049971 is 1799400521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1250049971 is a prime.

Together with 1250049973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1250049973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625024985 + 625024986.

It is an arithmetic number, because the mean of its divisors is an integer number (625024986).

Almost surely, 2^1250049971 is an apocalyptic number.

1250049971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250049971 is an equidigital number, since it uses as much as digits as its factorization.

1250049971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1250049971 is about 35356.0457489239. The cubic root of 1250049971 is about 1077.2316993921.

The spelling of 1250049971 in words is "one billion, two hundred fifty million, forty-nine thousand, nine hundred seventy-one".