1611260 has 48 divisors (see below), whose sum is σ = 4100544. Its totient is φ = 519168.

The previous prime is 1611251. The next prime is 1611289. The reversal of 1611260 is 621161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2042 + ... + 2718.

It is an arithmetic number, because the mean of its divisors is an integer number (85428).

2^1611260 is an apocalyptic number.

1611260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1611260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2050272).

1611260 is an abundant number, since it is smaller than the sum of its proper divisors (2489284).

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

1611260 is a wasteful number, since it uses less digits than its factorization.

1611260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1611260 is about 1269.3541664957. The cubic root of 1611260 is about 117.2344387372.

Subtracting from 1611260 its reverse (621161), we obtain a palindrome (990099).

The spelling of 1611260 in words is "one million, six hundred eleven thousand, two hundred sixty".