1249438227 has 8 divisors (see below), whose sum is σ = 1666138560. Its totient is φ = 832848360.

The previous prime is 1249438213. The next prime is 1249438241. The reversal of 1249438227 is 7228349421.

It is an interprime number because it is at equal distance from previous prime (1249438213) and next prime (1249438241).

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

It is not a de Polignac number, because 1249438227 - 2¹⁵ = 1249405459 is a prime.

It is a super-2 number, since 2×1249438227² = 3122191766177807058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1249438247) 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, 3924 + ... + 50142.

It is an arithmetic number, because the mean of its divisors is an integer number (208267320).

Almost surely, 2^1249438227 is an apocalyptic number.

1249438227 is a deficient number, since it is larger than the sum of its proper divisors (416700333).

1249438227 is an equidigital number, since it uses as much as digits as its factorization.

1249438227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55233.

The product of its digits is 193536, while the sum is 42.

The square root of 1249438227 is about 35347.3934965508. The cubic root of 1249438227 is about 1077.0559470699.

It can be divided in two parts, 12494 and 38227, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 1249438227 in words is "one billion, two hundred forty-nine million, four hundred thirty-eight thousand, two hundred twenty-seven".