1247970 has 32 divisors (see below), whose sum is σ = 3172608. Its totient is φ = 313088.

The previous prime is 1247969. The next prime is 1248001. The reversal of 1247970 is 797421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714 + ... + 1733.

It is an arithmetic number, because the mean of its divisors is an integer number (99144).

2^1247970 is an apocalyptic number.

1247970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1247970 is an abundant number, since it is smaller than the sum of its proper divisors (1924638).

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

1247970 is a wasteful number, since it uses less digits than its factorization.

1247970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1247970 is about 1117.1257762669. The cubic root of 1247970 is about 107.6633895405.

The spelling of 1247970 in words is "one million, two hundred forty-seven thousand, nine hundred seventy".