1254990 has 32 divisors (see below), whose sum is σ = 3286656. Its totient is φ = 304160.

The previous prime is 1254983. The next prime is 1254997. The reversal of 1254990 is 994521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1254983) and next prime (1254997).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (102708).

2^1254990 is an apocalyptic number.

1254990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1254990 is an abundant number, since it is smaller than the sum of its proper divisors (2031666).

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

1254990 is a wasteful number, since it uses less digits than its factorization.

1254990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1254990 is about 1120.2633618931. The cubic root of 1254990 is about 107.8648859048.

It can be divided in two parts, 125 and 4990, that added together give a palindrome (5115).

The spelling of 1254990 in words is "one million, two hundred fifty-four thousand, nine hundred ninety".