1142407211 has 8 divisors (see below), whose sum is σ = 1248283200. Its totient is φ = 1036868040.

The previous prime is 1142407183. The next prime is 1142407219. The reversal of 1142407211 is 1127042411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142407211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142407219) 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, 77081 + ... + 90698.

It is an arithmetic number, because the mean of its divisors is an integer number (156035400).

Almost surely, 2^1142407211 is an apocalyptic number.

1142407211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1142407211 is a deficient number, since it is larger than the sum of its proper divisors (105875989).

1142407211 is a wasteful number, since it uses less digits than its factorization.

1142407211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168409.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1142407211 is about 33799.5149521410. The cubic root of 1142407211 is about 1045.3786959558.

Adding to 1142407211 its reverse (1127042411), we get a palindrome (2269449622).

The spelling of 1142407211 in words is "one billion, one hundred forty-two million, four hundred seven thousand, two hundred eleven".