1051365 has 64 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 414720.

The previous prime is 1051333. The next prime is 1051373. The reversal of 1051365 is 5631501.

It is a happy number.

It is not a de Polignac number, because 1051365 - 2⁵ = 1051333 is a prime.

It is a super-2 number, since 2×1051365² = 2210736726450, 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 63 ways as a sum of consecutive naturals, for example, 33900 + ... + 33930.

It is an arithmetic number, because the mean of its divisors is an integer number (34560).

2^1051365 is an apocalyptic number.

1051365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051365 is an abundant number, since it is smaller than the sum of its proper divisors (1160475).

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

1051365 is a wasteful number, since it uses less digits than its factorization.

1051365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1051365 is about 1025.3609120695. The cubic root of 1051365 is about 101.6836604517.

Adding to 1051365 its reverse (5631501), we get a palindrome (6682866).

The spelling of 1051365 in words is "one million, fifty-one thousand, three hundred sixty-five".