1249530 has 16 divisors (see below), whose sum is σ = 2998944. Its totient is φ = 333200.

The previous prime is 1249519. The next prime is 1249531. The reversal of 1249530 is 359421.

It is a super-2 number, since 2×1249530² = 3122650441800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1249530.

It is not an unprimeable number, because it can be changed into a prime (1249531) 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, 20796 + ... + 20855.

It is an arithmetic number, because the mean of its divisors is an integer number (187434).

2^1249530 is an apocalyptic number.

1249530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1249530 is an abundant number, since it is smaller than the sum of its proper divisors (1749414).

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

1249530 is a wasteful number, since it uses less digits than its factorization.

1249530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41661.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1249530 is about 1117.8237785984. The cubic root of 1249530 is about 107.7082316850.

The spelling of 1249530 in words is "one million, two hundred forty-nine thousand, five hundred thirty".