126278026 has 32 divisors (see below), whose sum is σ = 221316480. Its totient is φ = 52923456.

The previous prime is 126278021. The next prime is 126278039. The reversal of 126278026 is 620872621.

It is a super-2 number, since 2×126278026² = 31892279700913352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126277982 and 126278000.

It is not an unprimeable number, because it can be changed into a prime (126278021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126160 + ... + 127156.

It is an arithmetic number, because the mean of its divisors is an integer number (6916140).

Almost surely, 2^126278026 is an apocalyptic number.

126278026 is a deficient number, since it is larger than the sum of its proper divisors (95038454).

126278026 is a wasteful number, since it uses less digits than its factorization.

126278026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 126278026 is about 11237.3495985486. The cubic root of 126278026 is about 501.6982599623.

The spelling of 126278026 in words is "one hundred twenty-six million, two hundred seventy-eight thousand, twenty-six".