1056090 has 64 divisors (see below), whose sum is σ = 2985984. Its totient is φ = 234048.

The previous prime is 1056089. The next prime is 1056109. The reversal of 1056090 is 906501.

1056090 = T₂₂₄ + T₂₂₅ + ... + T₂₅₉.

It is a super-2 number, since 2×1056090² = 2230652176200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9817 + ... + 9923.

It is an arithmetic number, because the mean of its divisors is an integer number (46656).

2^1056090 is an apocalyptic number.

1056090 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 1056090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492992).

1056090 is an abundant number, since it is smaller than the sum of its proper divisors (1929894).

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

1056090 is a wasteful number, since it uses less digits than its factorization.

1056090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1056090 is about 1027.6623959258. The cubic root of 1056090 is about 101.8357602902.

The spelling of 1056090 in words is "one million, fifty-six thousand, ninety".