126394155 has 16 divisors (see below), whose sum is σ = 224700960. Its totient is φ = 67410144.

The previous prime is 126394153. The next prime is 126394159. The reversal of 126394155 is 551493621.

126394155 is a `hidden beast` number, since 1 + 2 + 639 + 4 + 15 + 5 = 666.

It is not a de Polignac number, because 126394155 - 2¹ = 126394153 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (126394153) 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, 467992 + ... + 468261.

It is an arithmetic number, because the mean of its divisors is an integer number (14043810).

Almost surely, 2^126394155 is an apocalyptic number.

126394155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126394155 is a deficient number, since it is larger than the sum of its proper divisors (98306805).

126394155 is an equidigital number, since it uses as much as digits as its factorization.

126394155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936267 (or 936261 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 126394155 is about 11242.5155103295. The cubic root of 126394155 is about 501.8520050185.

The spelling of 126394155 in words is "one hundred twenty-six million, three hundred ninety-four thousand, one hundred fifty-five".