1142452201 has 4 divisors (see below), whose sum is σ = 1246311504. Its totient is φ = 1038592900.

The previous prime is 1142452193. The next prime is 1142452231. The reversal of 1142452201 is 1022542411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1022542411 = 11 ⋅92958401.

It is a cyclic number.

It is not a de Polignac number, because 1142452201 - 2³ = 1142452193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142452231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51929635 + ... + 51929656.

It is an arithmetic number, because the mean of its divisors is an integer number (311577876).

Almost surely, 2^1142452201 is an apocalyptic number.

1142452201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1142452201 is a deficient number, since it is larger than the sum of its proper divisors (103859303).

1142452201 is a wasteful number, since it uses less digits than its factorization.

1142452201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103859302.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1142452201 is about 33800.1804876838. The cubic root of 1142452201 is about 1045.3924187246.

Adding to 1142452201 its reverse (1022542411), we get a palindrome (2164994612).

The spelling of 1142452201 in words is "one billion, one hundred forty-two million, four hundred fifty-two thousand, two hundred one".