1253161 has 16 divisors (see below), whose sum is σ = 1580544. Its totient is φ = 967104.

The previous prime is 1253137. The next prime is 1253167. The reversal of 1253161 is 1613521.

It is a cyclic number.

It is not a de Polignac number, because 1253161 - 2¹⁵ = 1220393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4131 + ... + 4423.

It is an arithmetic number, because the mean of its divisors is an integer number (98784).

2^1253161 is an apocalyptic number.

It is an amenable number.

1253161 is a deficient number, since it is larger than the sum of its proper divisors (327383).

1253161 is a wasteful number, since it uses less digits than its factorization.

1253161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 180, while the sum is 19.

The square root of 1253161 is about 1119.4467383489. The cubic root of 1253161 is about 107.8124603094.

Adding to 1253161 its reverse (1613521), we get a palindrome (2866682).

The spelling of 1253161 in words is "one million, two hundred fifty-three thousand, one hundred sixty-one".