1249290 has 64 divisors (see below), whose sum is σ = 3813120. Its totient is φ = 285120.

The previous prime is 1249273. The next prime is 1249301. The reversal of 1249290 is 929421.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1560 + ... + 2220.

It is an arithmetic number, because the mean of its divisors is an integer number (59580).

2^1249290 is an apocalyptic number.

1249290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1249290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1906560).

1249290 is an abundant number, since it is smaller than the sum of its proper divisors (2563830).

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

1249290 is a wasteful number, since it uses less digits than its factorization.

1249290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1249290 is about 1117.7164219962. The cubic root of 1249290 is about 107.7013353238.

The spelling of 1249290 in words is "one million, two hundred forty-nine thousand, two hundred ninety".