1120072 has 8 divisors (see below), whose sum is σ = 2100150. Its totient is φ = 560032.

The previous prime is 1120051. The next prime is 1120073. The reversal of 1120072 is 2700211.

It can be written as a sum of positive squares in only one way, i.e., 948676 + 171396 = 974^2 + 414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1120072² = 2509122570368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1120073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69997 + ... + 70012.

2^1120072 is an apocalyptic number.

It is an amenable number.

1120072 is a deficient number, since it is larger than the sum of its proper divisors (980078).

1120072 is a wasteful number, since it uses less digits than its factorization.

1120072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140015 (or 140011 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 1120072 is about 1058.3345406817. The cubic root of 1120072 is about 103.8521073440.

Adding to 1120072 its reverse (2700211), we get a palindrome (3820283).

The spelling of 1120072 in words is "one million, one hundred twenty thousand, seventy-two".