126988052 has 12 divisors (see below), whose sum is σ = 224268660. Its totient is φ = 62911296.

The previous prime is 126988051. The next prime is 126988063. The reversal of 126988052 is 250889621.

It can be written as a sum of positive squares in 2 ways, for example, as 71842576 + 55145476 = 8476^2 + 7426^2 .

It is a super-2 number, since 2×126988052² = 32251930701509408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126988051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145193 + ... + 146064.

It is an arithmetic number, because the mean of its divisors is an integer number (18689055).

Almost surely, 2^126988052 is an apocalyptic number.

It is an amenable number.

126988052 is a deficient number, since it is larger than the sum of its proper divisors (97280608).

126988052 is a wasteful number, since it uses less digits than its factorization.

126988052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291370 (or 291368 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 126988052 is about 11268.8975503374. The cubic root of 126988052 is about 502.6368060635.

The spelling of 126988052 in words is "one hundred twenty-six million, nine hundred eighty-eight thousand, fifty-two".