1238907 has 8 divisors (see below), whose sum is σ = 1664320. Its totient is φ = 819720.

The previous prime is 1238903. The next prime is 1238911. The reversal of 1238907 is 7098321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1238903) and next prime (1238911).

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

It is not a de Polignac number, because 1238907 - 2² = 1238903 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238903) 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, 1069 + ... + 1902.

It is an arithmetic number, because the mean of its divisors is an integer number (208040).

2^1238907 is an apocalyptic number.

1238907 is a deficient number, since it is larger than the sum of its proper divisors (425413).

1238907 is a wasteful number, since it uses less digits than its factorization.

1238907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1238907 is about 1113.0619928827. The cubic root of 1238907 is about 107.4021319483.

It can be divided in two parts, 1238 and 907, that added together give a triangular number (2145 = T₆₅).

The spelling of 1238907 in words is "one million, two hundred thirty-eight thousand, nine hundred seven".