127497401 has 2 divisors, whose sum is σ = 127497402. Its totient is φ = 127497400.

The previous prime is 127497397. The next prime is 127497431. The reversal of 127497401 is 104794721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121000000 + 6497401 = 11000^2 + 2549^2 .

It is a cyclic number.

It is not a de Polignac number, because 127497401 - 2² = 127497397 is a prime.

It is not a weakly prime, because it can be changed into another prime (127497431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63748700 + 63748701.

It is an arithmetic number, because the mean of its divisors is an integer number (63748701).

Almost surely, 2^127497401 is an apocalyptic number.

It is an amenable number.

127497401 is a deficient number, since it is larger than the sum of its proper divisors (1).

127497401 is an equidigital number, since it uses as much as digits as its factorization.

127497401 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 127497401 is about 11291.4747043953. The cubic root of 127497401 is about 503.3079348713.

It can be divided in two parts, 12749 and 7401, that multiplied together give a palindrome (94355349).

The spelling of 127497401 in words is "one hundred twenty-seven million, four hundred ninety-seven thousand, four hundred one".