126897530 has 16 divisors (see below), whose sum is σ = 228652200. Its totient is φ = 50706432.

The previous prime is 126897527. The next prime is 126897541. The reversal of 126897530 is 35798621.

It can be written as a sum of positive squares in 4 ways, for example, as 93915481 + 32982049 = 9691^2 + 5743^2 .

It is a super-2 number, since 2×126897530² = 32205966240201800, which contains 22 as substring.

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, 4442 + ... + 16538.

Almost surely, 2^126897530 is an apocalyptic number.

126897530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126897530 is a deficient number, since it is larger than the sum of its proper divisors (101754670).

126897530 is a wasteful number, since it uses less digits than its factorization.

126897530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13153.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 126897530 is about 11264.8803810782. The cubic root of 126897530 is about 502.5173446815.

The spelling of 126897530 in words is "one hundred twenty-six million, eight hundred ninety-seven thousand, five hundred thirty".