1172016 has 40 divisors (see below), whose sum is σ = 3365360. Its totient is φ = 390528.

The previous prime is 1172009. The next prime is 1172021. The reversal of 1172016 is 6102711.

1172016 = T₁₂₈ + T₁₂₉ + ... + T₂₀₈.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1172016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925 + ... + 1788.

It is an arithmetic number, because the mean of its divisors is an integer number (84134).

2^1172016 is an apocalyptic number.

1172016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1172016 is an abundant number, since it is smaller than the sum of its proper divisors (2193344).

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

1172016 is a wasteful number, since it uses less digits than its factorization.

1172016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730 (or 2718 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1172016 is about 1082.5968778821. The cubic root of 1172016 is about 105.4333114022.

Adding to 1172016 its reverse (6102711), we get a palindrome (7274727).

It can be divided in two parts, 11 and 72016, that added together give a palindrome (72027).

The spelling of 1172016 in words is "one million, one hundred seventy-two thousand, sixteen".