1249490 has 32 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 440640.

The previous prime is 1249489. The next prime is 1249499. The reversal of 1249490 is 949421.

It is a super-2 number, since 2×1249490² = 3122450520200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1249499) 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, 3917 + ... + 4223.

It is an arithmetic number, because the mean of its divisors is an integer number (79002).

2^1249490 is an apocalyptic number.

1249490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1249490 is an abundant number, since it is smaller than the sum of its proper divisors (1278574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1249490 is a wasteful number, since it uses less digits than its factorization.

1249490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1249490 is about 1117.8058865474. The cubic root of 1249490 is about 107.7070823528.

The spelling of 1249490 in words is "one million, two hundred forty-nine thousand, four hundred ninety".