1142402106 has 16 divisors (see below), whose sum is σ = 2340531648. Its totient is φ = 371512800.

The previous prime is 1142402101. The next prime is 1142402119. The reversal of 1142402106 is 6012042411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1142402101) 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, 2321710 + ... + 2322201.

It is an arithmetic number, because the mean of its divisors is an integer number (146283228).

Almost surely, 2^1142402106 is an apocalyptic number.

1142402106 is an abundant number, since it is smaller than the sum of its proper divisors (1198129542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142402106 is a wasteful number, since it uses less digits than its factorization.

1142402106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643957.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1142402106 is about 33799.4394332214. The cubic root of 1142402106 is about 1045.3771388151.

Adding to 1142402106 its reverse (6012042411), we get a palindrome (7154444517).

The spelling of 1142402106 in words is "one billion, one hundred forty-two million, four hundred two thousand, one hundred six".