1172070 has 40 divisors (see below), whose sum is σ = 3153744. Its totient is φ = 312336.

The previous prime is 1172069. The next prime is 1172081. The reversal of 1172070 is 702711.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 87 + ... + 1533.

2^1172070 is an apocalyptic number.

1172070 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 1172070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576872).

1172070 is an abundant number, since it is smaller than the sum of its proper divisors (1981674).

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

1172070 is a wasteful number, since it uses less digits than its factorization.

1172070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 1172070 is about 1082.6218176261. The cubic root of 1172070 is about 105.4349306382.

Adding to 1172070 its reverse (702711), we get a palindrome (1874781).

It can be divided in two parts, 117 and 2070, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1172070 in words is "one million, one hundred seventy-two thousand, seventy".