1070172 has 42 divisors (see below), whose sum is σ = 2815568. Its totient is φ = 355752.

The previous prime is 1070171. The next prime is 1070189. The reversal of 1070172 is 2710701.

It is a super-2 number, since 2×1070172² = 2290536219168, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070171) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2733 + ... + 3099.

2^1070172 is an apocalyptic number.

1070172 is a gapful number since it is divisible by the number (12) 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 1070172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407784).

1070172 is an abundant number, since it is smaller than the sum of its proper divisors (1745396).

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

1070172 is an equidigital number, since it uses as much as digits as its factorization.

1070172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 372 counting only the distinct ones).

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

The square root of 1070172 is about 1034.4911792761. The cubic root of 1070172 is about 102.2863923559.

Adding to 1070172 its reverse (2710701), we get a palindrome (3780873).

The spelling of 1070172 in words is "one million, seventy thousand, one hundred seventy-two".