1530972 has 54 divisors (see below), whose sum is σ = 4134312. Its totient is φ = 476784.

The previous prime is 1530967. The next prime is 1531021. The reversal of 1530972 is 2790351.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35583 + ... + 35625.

2^1530972 is an apocalyptic number.

1530972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2067156).

1530972 is an abundant number, since it is smaller than the sum of its proper divisors (2603340).

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

1530972 is a wasteful number, since it uses less digits than its factorization.

1530972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1530972 is about 1237.3245330147. The cubic root of 1530972 is about 115.2539316342.

The spelling of 1530972 in words is "one million, five hundred thirty thousand, nine hundred seventy-two".