1142020201 has 8 divisors (see below), whose sum is σ = 1305630144. Its totient is φ = 978526320.

The previous prime is 1142020199. The next prime is 1142020211. The reversal of 1142020201 is 1020202411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142020201 - 2¹ = 1142020199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142020211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6790 + ... + 48271.

It is an arithmetic number, because the mean of its divisors is an integer number (163203768).

Almost surely, 2^1142020201 is an apocalyptic number.

It is an amenable number.

1142020201 is a deficient number, since it is larger than the sum of its proper divisors (163609943).

1142020201 is an equidigital number, since it uses as much as digits as its factorization.

1142020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58031.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1142020201 is about 33793.7893850335. The cubic root of 1142020201 is about 1045.2606359800.

Adding to 1142020201 its reverse (1020202411), we get a palindrome (2162222612).

The spelling of 1142020201 in words is "one billion, one hundred forty-two million, twenty thousand, two hundred one".