1542252119 has 2 divisors, whose sum is σ = 1542252120. Its totient is φ = 1542252118.

The previous prime is 1542252109. The next prime is 1542252191. The reversal of 1542252119 is 9112522451.

Together with next prime (1542252191) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1542252119 - 2⁸ = 1542251863 is a prime.

It is a super-2 number, since 2×1542252119² = 4757083197119980322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542252109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771126059 + 771126060.

It is an arithmetic number, because the mean of its divisors is an integer number (771126060).

Almost surely, 2^1542252119 is an apocalyptic number.

1542252119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542252119 is an equidigital number, since it uses as much as digits as its factorization.

1542252119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 32.

The square root of 1542252119 is about 39271.5179105672. The cubic root of 1542252119 is about 1155.3630085271.

The spelling of 1542252119 in words is "one billion, five hundred forty-two million, two hundred fifty-two thousand, one hundred nineteen".