1253407 has 8 divisors (see below), whose sum is σ = 1299584. Its totient is φ = 1208088.

The previous prime is 1253401. The next prime is 1253437. The reversal of 1253407 is 7043521.

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

It is a cyclic number.

It is not a de Polignac number, because 1253407 - 2⁷ = 1253279 is a prime.

It is an Ulam number.

It is a Duffinian number.

1253407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253401) 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, 4288 + ... + 4570.

It is an arithmetic number, because the mean of its divisors is an integer number (162448).

2^1253407 is an apocalyptic number.

1253407 is a deficient number, since it is larger than the sum of its proper divisors (46177).

1253407 is a wasteful number, since it uses less digits than its factorization.

1253407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1253407 is about 1119.5566086626. The cubic root of 1253407 is about 107.8195145055.

Adding to 1253407 its reverse (7043521), we get a palindrome (8296928).

The spelling of 1253407 in words is "one million, two hundred fifty-three thousand, four hundred seven".