1542121363 has 2 divisors, whose sum is σ = 1542121364. Its totient is φ = 1542121362.

The previous prime is 1542121309. The next prime is 1542121367. The reversal of 1542121363 is 3631212451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1542121363 - 2⁹ = 1542120851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1542121367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771060681 + 771060682.

It is an arithmetic number, because the mean of its divisors is an integer number (771060682).

Almost surely, 2^1542121363 is an apocalyptic number.

1542121363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542121363 is an equidigital number, since it uses as much as digits as its factorization.

1542121363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 1542121363 is about 39269.8531064225. The cubic root of 1542121363 is about 1155.3303560805.

The spelling of 1542121363 in words is "one billion, five hundred forty-two million, one hundred twenty-one thousand, three hundred sixty-three".