127421152 has 12 divisors (see below), whose sum is σ = 250860456. Its totient is φ = 63710560.

The previous prime is 127421143. The next prime is 127421159. The reversal of 127421152 is 251124721.

It is a super-2 number, since 2×127421152² = 32472299954014208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127421159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990924 + ... + 1990987.

It is an arithmetic number, because the mean of its divisors is an integer number (20905038).

Almost surely, 2^127421152 is an apocalyptic number.

It is an amenable number.

127421152 is a deficient number, since it is larger than the sum of its proper divisors (123439304).

127421152 is an equidigital number, since it uses as much as digits as its factorization.

127421152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981921 (or 3981913 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 127421152 is about 11288.0978025529. The cubic root of 127421152 is about 503.2075815065.

Adding to 127421152 its reverse (251124721), we get a palindrome (378545873).

The spelling of 127421152 in words is "one hundred twenty-seven million, four hundred twenty-one thousand, one hundred fifty-two".