126672403 has 8 divisors (see below), whose sum is σ = 148818096. Its totient is φ = 106298400.

The previous prime is 126672401. The next prime is 126672409. The reversal of 126672403 is 304276621.

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

It is not a de Polignac number, because 126672403 - 2¹ = 126672401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126672401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442768 + ... + 443053.

It is an arithmetic number, because the mean of its divisors is an integer number (18602262).

Almost surely, 2^126672403 is an apocalyptic number.

126672403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

126672403 is a deficient number, since it is larger than the sum of its proper divisors (22145693).

126672403 is a wasteful number, since it uses less digits than its factorization.

126672403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885845.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 126672403 is about 11254.8835178335. The cubic root of 126672403 is about 502.2199992850.

The spelling of 126672403 in words is "one hundred twenty-six million, six hundred seventy-two thousand, four hundred three".