127020650 has 12 divisors (see below), whose sum is σ = 236258502. Its totient is φ = 50808240.

The previous prime is 127020637. The next prime is 127020653. The reversal of 127020650 is 56020721.

It can be written as a sum of positive squares in 3 ways, for example, as 97871449 + 29149201 = 9893^2 + 5399^2 .

It is a super-2 number, since 2×127020650² = 32268491052845000, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (127020653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1270157 + ... + 1270256.

Almost surely, 2^127020650 is an apocalyptic number.

127020650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127020650 is a deficient number, since it is larger than the sum of its proper divisors (109237852).

127020650 is a wasteful number, since it uses less digits than its factorization.

127020650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540425 (or 2540420 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 127020650 is about 11270.3438279407. The cubic root of 127020650 is about 502.6798115603.

The spelling of 127020650 in words is "one hundred twenty-seven million, twenty thousand, six hundred fifty".