127642025 has 24 divisors (see below), whose sum is σ = 183452544. Its totient is φ = 86284800.

The previous prime is 127642003. The next prime is 127642049. The reversal of 127642025 is 520246721.

It is a happy number.

It is not a de Polignac number, because 127642025 - 2¹² = 127637929 is a prime.

It is a super-2 number, since 2×127642025² = 32584973092201250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7289 + ... + 17561.

It is an arithmetic number, because the mean of its divisors is an integer number (7643856).

Almost surely, 2^127642025 is an apocalyptic number.

It is an amenable number.

127642025 is a deficient number, since it is larger than the sum of its proper divisors (55810519).

127642025 is a wasteful number, since it uses less digits than its factorization.

127642025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361 (or 10356 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 127642025 is about 11297.8770129613. The cubic root of 127642025 is about 503.4981685565.

Adding to 127642025 its reverse (520246721), we get a palindrome (647888746).

The spelling of 127642025 in words is "one hundred twenty-seven million, six hundred forty-two thousand, twenty-five".