127642468 has 6 divisors (see below), whose sum is σ = 223374326. Its totient is φ = 63821232.

The previous prime is 127642423. The next prime is 127642499. The reversal of 127642468 is 864246721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67765824 + 59876644 = 8232^2 + 7738^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 127642468.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15955305 + ... + 15955312.

Almost surely, 2^127642468 is an apocalyptic number.

It is an amenable number.

127642468 is a deficient number, since it is larger than the sum of its proper divisors (95731858).

127642468 is a wasteful number, since it uses less digits than its factorization.

127642468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31910621 (or 31910619 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 127642468 is about 11297.8966183976. The cubic root of 127642468 is about 503.4987510434.

The spelling of 127642468 in words is "one hundred twenty-seven million, six hundred forty-two thousand, four hundred sixty-eight".