1249790 has 8 divisors (see below), whose sum is σ = 2249640. Its totient is φ = 499912.

The previous prime is 1249757. The next prime is 1249799. The reversal of 1249790 is 979421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62480 + ... + 62499.

It is an arithmetic number, because the mean of its divisors is an integer number (281205).

2^1249790 is an apocalyptic number.

1249790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1249790 is a deficient number, since it is larger than the sum of its proper divisors (999850).

1249790 is a wasteful number, since it uses less digits than its factorization.

1249790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124986.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1249790 is about 1117.9400699501. The cubic root of 1249790 is about 107.7157017466.

The spelling of 1249790 in words is "one million, two hundred forty-nine thousand, seven hundred ninety".