1019542492 has 12 divisors (see below), whose sum is σ = 1797223680. Its totient is φ = 506050016.

The previous prime is 1019542429. The next prime is 1019542499. The reversal of 1019542492 is 2942459101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019542499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929692 + ... + 930787.

It is an arithmetic number, because the mean of its divisors is an integer number (149768640).

Almost surely, 2^1019542492 is an apocalyptic number.

It is an amenable number.

1019542492 is a deficient number, since it is larger than the sum of its proper divisors (777681188).

1019542492 is a wasteful number, since it uses less digits than its factorization.

1019542492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860620 (or 1860618 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1019542492 is about 31930.2754764189. The cubic root of 1019542492 is about 1006.4721844569.

The spelling of 1019542492 in words is "one billion, nineteen million, five hundred forty-two thousand, four hundred ninety-two".