1061115 has 32 divisors (see below), whose sum is σ = 1900800. Its totient is φ = 501120.

The previous prime is 1061107. The next prime is 1061117. The reversal of 1061115 is 5111601.

1061115 = 30² + 31² + ... + 147².

It is not a de Polignac number, because 1061115 - 2³ = 1061107 is a prime.

It is a super-2 number, since 2×1061115² = 2251930086450, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1061094 and 1061103.

It is not an unprimeable number, because it can be changed into a prime (1061117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9681 + ... + 9789.

It is an arithmetic number, because the mean of its divisors is an integer number (59400).

2^1061115 is an apocalyptic number.

1061115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1061115 is a deficient number, since it is larger than the sum of its proper divisors (839685).

1061115 is a wasteful number, since it uses less digits than its factorization.

1061115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1061115 is about 1030.1043636448. The cubic root of 1061115 is about 101.9970202897.

Adding to 1061115 its reverse (5111601), we get a palindrome (6172716).

It can be divided in two parts, 1061 and 115, that added together give a triangular number (1176 = T₄₈).

The spelling of 1061115 in words is "one million, sixty-one thousand, one hundred fifteen".