127042450 has 12 divisors (see below), whose sum is σ = 236299050. Its totient is φ = 50816960.

The previous prime is 127042393. The next prime is 127042451. The reversal of 127042450 is 54240721.

It can be written as a sum of positive squares in 3 ways, for example, as 108180801 + 18861649 = 10401^2 + 4343^2 .

It is a super-2 number, since 2×127042450² = 32279568204005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (127042451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1270375 + ... + 1270474.

Almost surely, 2^127042450 is an apocalyptic number.

127042450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127042450 is a deficient number, since it is larger than the sum of its proper divisors (109256600).

127042450 is a wasteful number, since it uses less digits than its factorization.

127042450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540861 (or 2540856 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 127042450 is about 11271.3109264185. The cubic root of 127042450 is about 502.7085674963.

The spelling of 127042450 in words is "one hundred twenty-seven million, forty-two thousand, four hundred fifty".