1542268201 has 4 divisors (see below), whose sum is σ = 1568408400. Its totient is φ = 1516128004.

The previous prime is 1542268187. The next prime is 1542268261. The reversal of 1542268201 is 1028622451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1542268201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542268261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13070011 + ... + 13070128.

It is an arithmetic number, because the mean of its divisors is an integer number (392102100).

Almost surely, 2^1542268201 is an apocalyptic number.

It is an amenable number.

1542268201 is a deficient number, since it is larger than the sum of its proper divisors (26140199).

1542268201 is an equidigital number, since it uses as much as digits as its factorization.

1542268201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26140198.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1542268201 is about 39271.7226640238. The cubic root of 1542268201 is about 1155.3670244039.

The spelling of 1542268201 in words is "one billion, five hundred forty-two million, two hundred sixty-eight thousand, two hundred one".