1122152 has 8 divisors (see below), whose sum is σ = 2104050. Its totient is φ = 561072.

The previous prime is 1122139. The next prime is 1122157. The reversal of 1122152 is 2512211.

It can be written as a sum of positive squares in only one way, i.e., 1110916 + 11236 = 1054^2 + 106^2 .

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

It is a super-2 number, since 2×1122152² = 2518450222208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70127 + ... + 70142.

2^1122152 is an apocalyptic number.

It is an amenable number.

1122152 is a deficient number, since it is larger than the sum of its proper divisors (981898).

1122152 is a wasteful number, since it uses less digits than its factorization.

1122152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140275 (or 140271 counting only the distinct ones).

The product of its digits is 40, while the sum is 14.

The square root of 1122152 is about 1059.3167609360. The cubic root of 1122152 is about 103.9163528590.

Adding to 1122152 its reverse (2512211), we get a palindrome (3634363).

The spelling of 1122152 in words is "one million, one hundred twenty-two thousand, one hundred fifty-two".