127292740 has 12 divisors (see below), whose sum is σ = 267314796. Its totient is φ = 50917088.

The previous prime is 127292699. The next prime is 127292773. The reversal of 127292740 is 47292721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46867716 + 80425024 = 6846^2 + 8968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127292696 and 127292705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3182299 + ... + 3182338.

It is an arithmetic number, because the mean of its divisors is an integer number (22276233).

Almost surely, 2^127292740 is an apocalyptic number.

127292740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127292740 is an abundant number, since it is smaller than the sum of its proper divisors (140022056).

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

127292740 is a wasteful number, since it uses less digits than its factorization.

127292740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364646 (or 6364644 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 127292740 is about 11282.4084308272. The cubic root of 127292740 is about 503.0384844874.

The spelling of 127292740 in words is "one hundred twenty-seven million, two hundred ninety-two thousand, seven hundred forty".