1248740 has 24 divisors (see below), whose sum is σ = 2714040. Its totient is φ = 482048.

The previous prime is 1248721. The next prime is 1248757. The reversal of 1248740 is 478421.

It can be written as a sum of positive squares in 4 ways, for example, as 7744 + 1240996 = 88^2 + 1114^2 .

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, 497 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (113085).

2^1248740 is an apocalyptic number.

1248740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1248740 is an abundant number, since it is smaller than the sum of its proper divisors (1465300).

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

1248740 is a wasteful number, since it uses less digits than its factorization.

1248740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1248740 is about 1117.4703575487. The cubic root of 1248740 is about 107.6855278306.

The spelling of 1248740 in words is "one million, two hundred forty-eight thousand, seven hundred forty".