1200142366 has 16 divisors (see below), whose sum is σ = 1807560144. Its totient is φ = 597628224.

The previous prime is 1200142337. The next prime is 1200142367. The reversal of 1200142366 is 6632410021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200142366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200142367) 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, 683746 + ... + 685498.

It is an arithmetic number, because the mean of its divisors is an integer number (112972509).

Almost surely, 2^1200142366 is an apocalyptic number.

1200142366 is a deficient number, since it is larger than the sum of its proper divisors (607417778).

1200142366 is a wasteful number, since it uses less digits than its factorization.

1200142366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1200142366 is about 34643.0709666450. The cubic root of 1200142366 is about 1062.7005915347.

Adding to 1200142366 its reverse (6632410021), we get a palindrome (7832552387).

The spelling of 1200142366 in words is "one billion, two hundred million, one hundred forty-two thousand, three hundred sixty-six".