127896742 has 4 divisors (see below), whose sum is σ = 191845116. Its totient is φ = 63948370.

The previous prime is 127896739. The next prime is 127896781. The reversal of 127896742 is 247698721.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×127896742² = 32715153228429128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127896692 and 127896701.

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, 31974184 + ... + 31974187.

It is an arithmetic number, because the mean of its divisors is an integer number (47961279).

Almost surely, 2^127896742 is an apocalyptic number.

127896742 is a deficient number, since it is larger than the sum of its proper divisors (63948374).

127896742 is an equidigital number, since it uses as much as digits as its factorization.

127896742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63948373.

The product of its digits is 338688, while the sum is 46.

The square root of 127896742 is about 11309.1441762850. The cubic root of 127896742 is about 503.8328658677.

The spelling of 127896742 in words is "one hundred twenty-seven million, eight hundred ninety-six thousand, seven hundred forty-two".