1238870 has 8 divisors (see below), whose sum is σ = 2229984. Its totient is φ = 495544.

The previous prime is 1238863. The next prime is 1238893. The reversal of 1238870 is 788321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61934 + ... + 61953.

It is an arithmetic number, because the mean of its divisors is an integer number (278748).

2^1238870 is an apocalyptic number.

1238870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1238870 is a deficient number, since it is larger than the sum of its proper divisors (991114).

1238870 is a wasteful number, since it uses less digits than its factorization.

1238870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123894.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1238870 is about 1113.0453719413. The cubic root of 1238870 is about 107.4010627482.

The spelling of 1238870 in words is "one million, two hundred thirty-eight thousand, eight hundred seventy".