1912542 has 16 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 609752.

The previous prime is 1912541. The next prime is 1912543. The reversal of 1912542 is 2452191.

It is an interprime number because it is at equal distance from previous prime (1912541) and next prime (1912543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912541) 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, 6792 + ... + 7067.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

2^1912542 is an apocalyptic number.

1912542 is an abundant number, since it is smaller than the sum of its proper divisors (2079138).

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

1912542 is a wasteful number, since it uses less digits than its factorization.

1912542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13887.

The product of its digits is 720, while the sum is 24.

The square root of 1912542 is about 1382.9468536426. The cubic root of 1912542 is about 124.1281626679.

It can be divided in two parts, 19 and 12542, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 1912542 in words is "one million, nine hundred twelve thousand, five hundred forty-two".