1201512 has 32 divisors (see below), whose sum is σ = 3235680. Its totient is φ = 369600.

The previous prime is 1201493. The next prime is 1201513. The reversal of 1201512 is 2151021.

It is a super-2 number, since 2×1201512² = 2887262172288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1201513) 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, 1614 + ... + 2237.

It is an arithmetic number, because the mean of its divisors is an integer number (101115).

2^1201512 is an apocalyptic number.

1201512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201512 is an abundant number, since it is smaller than the sum of its proper divisors (2034168).

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

1201512 is a wasteful number, since it uses less digits than its factorization.

1201512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873 (or 3869 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1201512 is about 1096.1350281786. The cubic root of 1201512 is about 106.3104698460.

Adding to 1201512 its reverse (2151021), we get a palindrome (3352533).

The spelling of 1201512 in words is "one million, two hundred one thousand, five hundred twelve".