1142202011 has 8 divisors (see below), whose sum is σ = 1199003904. Its totient is φ = 1085995240.

The previous prime is 1142201999. The next prime is 1142202023. The reversal of 1142202011 is 1102022411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1142201999) and next prime (1142202023).

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 1142202011 - 2⁶ = 1142201947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142202041) 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, 144845 + ... + 152526.

It is an arithmetic number, because the mean of its divisors is an integer number (149875488).

Almost surely, 2^1142202011 is an apocalyptic number.

1142202011 is a deficient number, since it is larger than the sum of its proper divisors (56801893).

1142202011 is a wasteful number, since it uses less digits than its factorization.

1142202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297561.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1142202011 is about 33796.4792692967. The cubic root of 1142202011 is about 1045.3161016516.

Adding to 1142202011 its reverse (1102022411), we get a palindrome (2244224422).

The spelling of 1142202011 in words is "one billion, one hundred forty-two million, two hundred two thousand, eleven".