1258902 has 40 divisors (see below), whose sum is σ = 2976600. Its totient is φ = 396576.

The previous prime is 1258889. The next prime is 1258903. The reversal of 1258902 is 2098521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2874 + ... + 3282.

It is an arithmetic number, because the mean of its divisors is an integer number (74415).

2^1258902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1258902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488300).

1258902 is an abundant number, since it is smaller than the sum of its proper divisors (1717698).

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

1258902 is a wasteful number, since it uses less digits than its factorization.

1258902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1258902 is about 1122.0080213617. The cubic root of 1258902 is about 107.9768468886.

The spelling of 1258902 in words is "one million, two hundred fifty-eight thousand, nine hundred two".