1542312 has 48 divisors (see below), whose sum is σ = 4318080. Its totient is φ = 496800.

The previous prime is 1542283. The next prime is 1542347. The reversal of 1542312 is 2132451.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1887 + ... + 2577.

It is an arithmetic number, because the mean of its divisors is an integer number (89960).

2^1542312 is an apocalyptic number.

1542312 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 1542312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159040).

1542312 is an abundant number, since it is smaller than the sum of its proper divisors (2775768).

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

1542312 is a wasteful number, since it uses less digits than its factorization.

1542312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 727 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1542312 is about 1241.8985465810. The cubic root of 1542312 is about 115.5377961421.

Adding to 1542312 its reverse (2132451), we get a palindrome (3674763).

The spelling of 1542312 in words is "one million, five hundred forty-two thousand, three hundred twelve".