1172490 has 96 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 253440.

The previous prime is 1172467. The next prime is 1172491. The reversal of 1172490 is 942711.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1172490.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61701 + ... + 61719.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

2^1172490 is an apocalyptic number.

1172490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723680).

1172490 is an abundant number, since it is smaller than the sum of its proper divisors (2274870).

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

1172490 is a wasteful number, since it uses less digits than its factorization.

1172490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1172490 is about 1082.8157738046. The cubic root of 1172490 is about 105.4475229983.

The spelling of 1172490 in words is "one million, one hundred seventy-two thousand, four hundred ninety".