1153212 has 24 divisors (see below), whose sum is σ = 2849616. Its totient is φ = 361728.

The previous prime is 1153211. The next prime is 1153219. The reversal of 1153212 is 2123511.

It is a junction number, because it is equal to n+sod(n) for n = 1153191 and 1153200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2623 + ... + 3030.

It is an arithmetic number, because the mean of its divisors is an integer number (118734).

2^1153212 is an apocalyptic number.

1153212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1153212 is an abundant number, since it is smaller than the sum of its proper divisors (1696404).

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

1153212 is a wasteful number, since it uses less digits than its factorization.

1153212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677 (or 5675 counting only the distinct ones).

The product of its digits is 60, while the sum is 15.

The square root of 1153212 is about 1073.8770879388. The cubic root of 1153212 is about 104.8664060611.

Adding to 1153212 its reverse (2123511), we get a palindrome (3276723).

Subtracting 1153212 from its reverse (2123511), we obtain a cube (970299 = 99³).

It can be divided in two parts, 11532 and 12, that multiplied together give a square (138384 = 372²).

The spelling of 1153212 in words is "one million, one hundred fifty-three thousand, two hundred twelve".