126540004 has 12 divisors (see below), whose sum is σ = 221525164. Its totient is φ = 63247104.

The previous prime is 126539977. The next prime is 126540031. The reversal of 126540004 is 400045621.

It is an interprime number because it is at equal distance from previous prime (126539977) and next prime (126540031).

It can be written as a sum of positive squares in 2 ways, for example, as 14137600 + 112402404 = 3760^2 + 10602^2 .

It is a super-2 number, since 2×126540004² = 32024745224640032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15232 + ... + 22024.

Almost surely, 2^126540004 is an apocalyptic number.

It is an amenable number.

126540004 is a deficient number, since it is larger than the sum of its proper divisors (94985160).

126540004 is a wasteful number, since it uses less digits than its factorization.

126540004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11454 (or 11452 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 126540004 is about 11249.0001333452. Note that the first 3 decimals coincide. The cubic root of 126540004 is about 502.0449635128.

Adding to 126540004 its reverse (400045621), we get a palindrome (526585625).

The spelling of 126540004 in words is "one hundred twenty-six million, five hundred forty thousand, four".