127970146 has 4 divisors (see below), whose sum is σ = 191955222. Its totient is φ = 63985072.

The previous prime is 127970113. The next prime is 127970177. The reversal of 127970146 is 641079721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641079721 = 31 ⋅20679991.

It can be written as a sum of positive squares in only one way, i.e., 82609921 + 45360225 = 9089^2 + 6735^2 .

It is a super-2 number, since 2×127970146² = 32752716534522632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31992535 + ... + 31992538.

Almost surely, 2^127970146 is an apocalyptic number.

127970146 is a deficient number, since it is larger than the sum of its proper divisors (63985076).

127970146 is an equidigital number, since it uses as much as digits as its factorization.

127970146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63985075.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 127970146 is about 11312.3890491797. The cubic root of 127970146 is about 503.9292359916.

The spelling of 127970146 in words is "one hundred twenty-seven million, nine hundred seventy thousand, one hundred forty-six".