127742394 has 16 divisors (see below), whose sum is σ = 275137632. Its totient is φ = 39305328.

The previous prime is 127742371. The next prime is 127742443. The reversal of 127742394 is 493247721.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818784 + ... + 818939.

It is an arithmetic number, because the mean of its divisors is an integer number (17196102).

Almost surely, 2^127742394 is an apocalyptic number.

127742394 is an abundant number, since it is smaller than the sum of its proper divisors (147395238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127742394 is a wasteful number, since it uses less digits than its factorization.

127742394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637741.

The product of its digits is 84672, while the sum is 39.

The square root of 127742394 is about 11302.3180808186. The cubic root of 127742394 is about 503.6301062094.

The spelling of 127742394 in words is "one hundred twenty-seven million, seven hundred forty-two thousand, three hundred ninety-four".