126261478 has 8 divisors (see below), whose sum is σ = 216448272. Its totient is φ = 54112056.

The previous prime is 126261469. The next prime is 126261493. The reversal of 126261478 is 874162621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 4509325 + ... + 4509352.

It is an arithmetic number, because the mean of its divisors is an integer number (27056034).

Almost surely, 2^126261478 is an apocalyptic number.

126261478 is a deficient number, since it is larger than the sum of its proper divisors (90186794).

126261478 is an equidigital number, since it uses as much as digits as its factorization.

126261478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9018686.

The product of its digits is 32256, while the sum is 37.

The square root of 126261478 is about 11236.6132798099. The cubic root of 126261478 is about 501.6763441264.

The spelling of 126261478 in words is "one hundred twenty-six million, two hundred sixty-one thousand, four hundred seventy-eight".