1249057229 has 16 divisors (see below), whose sum is σ = 1465413120. Its totient is φ = 1042554240.

The previous prime is 1249057223. The next prime is 1249057241. The reversal of 1249057229 is 9227509421.

It is a de Polignac number, because none of the positive numbers 2^k-1249057229 is a prime.

It is a super-2 number, since 2×1249057229² = 3120287922634316882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249057223) 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, 24899 + ... + 55839.

It is an arithmetic number, because the mean of its divisors is an integer number (91588320).

Almost surely, 2^1249057229 is an apocalyptic number.

It is an amenable number.

1249057229 is a deficient number, since it is larger than the sum of its proper divisors (216355891).

1249057229 is an equidigital number, since it uses as much as digits as its factorization.

1249057229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31100.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1249057229 is about 35342.0037490802. The cubic root of 1249057229 is about 1076.9464584292.

The spelling of 1249057229 in words is "one billion, two hundred forty-nine million, fifty-seven thousand, two hundred twenty-nine".