1051315 has 4 divisors (see below), whose sum is σ = 1261584. Its totient is φ = 841048.

The previous prime is 1051313. The next prime is 1051319. The reversal of 1051315 is 5131501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1051315 - 2¹ = 1051313 is a prime.

It is a super-2 number, since 2×1051315² = 2210526458450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105127 + ... + 105136.

It is an arithmetic number, because the mean of its divisors is an integer number (315396).

2^1051315 is an apocalyptic number.

1051315 is a deficient number, since it is larger than the sum of its proper divisors (210269).

1051315 is an equidigital number, since it uses as much as digits as its factorization.

1051315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210268.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 1051315 is about 1025.3365301207. The cubic root of 1051315 is about 101.6820484953.

Adding to 1051315 its reverse (5131501), we get a palindrome (6182816).

It can be divided in two parts, 105 and 1315, that multiplied together give a triangular number (138075 = T₅₂₅).

The spelling of 1051315 in words is "one million, fifty-one thousand, three hundred fifteen".