1249389230 has 16 divisors (see below), whose sum is σ = 2258314560. Its totient is φ = 497663712.

The previous prime is 1249389227. The next prime is 1249389259. The reversal of 1249389230 is 329839421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258989 + ... + 263768.

It is an arithmetic number, because the mean of its divisors is an integer number (141144660).

Almost surely, 2^1249389230 is an apocalyptic number.

1249389230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1249389230 is a deficient number, since it is larger than the sum of its proper divisors (1008925330).

1249389230 is a wasteful number, since it uses less digits than its factorization.

1249389230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523003.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 1249389230 is about 35346.7004117782. The cubic root of 1249389230 is about 1077.0418678891.

The spelling of 1249389230 in words is "one billion, two hundred forty-nine million, three hundred eighty-nine thousand, two hundred thirty".