1142523201 has 16 divisors (see below), whose sum is σ = 1578536960. Its totient is φ = 734544720.

The previous prime is 1142523191. The next prime is 1142523253. The reversal of 1142523201 is 1023252411.

It is not a de Polignac number, because 1142523201 - 2¹¹ = 1142521153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1142523271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45865 + ... + 66246.

It is an arithmetic number, because the mean of its divisors is an integer number (98658560).

Almost surely, 2^1142523201 is an apocalyptic number.

It is an amenable number.

1142523201 is a deficient number, since it is larger than the sum of its proper divisors (436013759).

1142523201 is a wasteful number, since it uses less digits than its factorization.

1142523201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112236.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1142523201 is about 33801.2307616158. The cubic root of 1142523201 is about 1045.4140742839.

Adding to 1142523201 its reverse (1023252411), we get a palindrome (2165775612).

The spelling of 1142523201 in words is "one billion, one hundred forty-two million, five hundred twenty-three thousand, two hundred one".