126881053 has 4 divisors (see below), whose sum is σ = 136641148. Its totient is φ = 117120960.

The previous prime is 126881039. The next prime is 126881057. The reversal of 126881053 is 350188621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350188621 = 2617 ⋅133813.

It can be written as a sum of positive squares in 2 ways, for example, as 79174404 + 47706649 = 8898^2 + 6907^2 .

It is a cyclic number.

It is not a de Polignac number, because 126881053 - 2⁹ = 126880541 is a prime.

It is a super-2 number, since 2×126881053² = 32197603220777618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126881057) 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, 4880028 + ... + 4880053.

It is an arithmetic number, because the mean of its divisors is an integer number (34160287).

Almost surely, 2^126881053 is an apocalyptic number.

126881053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

126881053 is a deficient number, since it is larger than the sum of its proper divisors (9760095).

126881053 is an equidigital number, since it uses as much as digits as its factorization.

126881053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9760094.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 126881053 is about 11264.1490135740. The cubic root of 126881053 is about 502.4955939648.

The spelling of 126881053 in words is "one hundred twenty-six million, eight hundred eighty-one thousand, fifty-three".