1491512 has 32 divisors (see below), whose sum is σ = 3233520. Its totient is φ = 637440.

The previous prime is 1491509. The next prime is 1491517. The reversal of 1491512 is 2151941.

It is a happy number.

It is a super-2 number, since 2×1491512² = 4449216092288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1491517) 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, 998 + ... + 1994.

2^1491512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1491512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616760).

1491512 is an abundant number, since it is smaller than the sum of its proper divisors (1742008).

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

1491512 is a wasteful number, since it uses less digits than its factorization.

1491512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1027 counting only the distinct ones).

The product of its digits is 360, while the sum is 23.

The square root of 1491512 is about 1221.2747438640. The cubic root of 1491512 is about 114.2550971555.

It can be divided in two parts, 149 and 1512, that added together give a palindrome (1661).

The spelling of 1491512 in words is "one million, four hundred ninety-one thousand, five hundred twelve".