127401947 has 2 divisors, whose sum is σ = 127401948. Its totient is φ = 127401946.

The previous prime is 127401943. The next prime is 127402001. The reversal of 127401947 is 749104721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127401947 - 2² = 127401943 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127401943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63700973 + 63700974.

It is an arithmetic number, because the mean of its divisors is an integer number (63700974).

Almost surely, 2^127401947 is an apocalyptic number.

127401947 is a deficient number, since it is larger than the sum of its proper divisors (1).

127401947 is an equidigital number, since it uses as much as digits as its factorization.

127401947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 127401947 is about 11287.2470957271. The cubic root of 127401947 is about 503.1822989768.

The spelling of 127401947 in words is "one hundred twenty-seven million, four hundred one thousand, nine hundred forty-seven".