127780252 has 6 divisors (see below), whose sum is σ = 223615448. Its totient is φ = 63890124.

The previous prime is 127780241. The next prime is 127780273. The reversal of 127780252 is 252087721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15972528 + ... + 15972535.

Almost surely, 2^127780252 is an apocalyptic number.

It is an amenable number.

127780252 is a deficient number, since it is larger than the sum of its proper divisors (95835196).

127780252 is a wasteful number, since it uses less digits than its factorization.

127780252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31945067 (or 31945065 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 127780252 is about 11303.9927459283. The cubic root of 127780252 is about 503.6798535818.

The spelling of 127780252 in words is "one hundred twenty-seven million, seven hundred eighty thousand, two hundred fifty-two".