1012290 has 32 divisors (see below), whose sum is σ = 2491776. Its totient is φ = 263040.

The previous prime is 1012289. The next prime is 1012307. The reversal of 1012290 is 922101.

It is a happy number.

1012290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819 + ... + 1641.

It is an arithmetic number, because the mean of its divisors is an integer number (77868).

2^1012290 is an apocalyptic number.

1012290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1245888).

1012290 is an abundant number, since it is smaller than the sum of its proper divisors (1479486).

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

1012290 is a wasteful number, since it uses less digits than its factorization.

1012290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1012290 is about 1006.1262346247. The cubic root of 1012290 is about 100.4079997647.

Adding to 1012290 its reverse (922101), we get a palindrome (1934391).

The spelling of 1012290 in words is "one million, twelve thousand, two hundred ninety".