1520212 has 12 divisors (see below), whose sum is σ = 2669940. Its totient is φ = 757376.

The previous prime is 1520203. The next prime is 1520213. The reversal of 1520212 is 2120251.

It can be written as a sum of positive squares in 2 ways, for example, as 948676 + 571536 = 974^2 + 756^2 .

It is a super-2 number, since 2×1520212² = 4622089049888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1520192 and 1520201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068 + ... + 2044.

It is an arithmetic number, because the mean of its divisors is an integer number (222495).

2^1520212 is an apocalyptic number.

It is an amenable number.

1520212 is a deficient number, since it is larger than the sum of its proper divisors (1149728).

1520212 is a wasteful number, since it uses less digits than its factorization.

1520212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1520212 is about 1232.9687749493. The cubic root of 1520212 is about 114.9832867961.

Adding to 1520212 its reverse (2120251), we get a palindrome (3640463).

The spelling of 1520212 in words is "one million, five hundred twenty thousand, two hundred twelve".