1142400034 has 16 divisors (see below), whose sum is σ = 1872930816. Its totient is φ = 520257600.

The previous prime is 1142400031. The next prime is 1142400037. The reversal of 1142400034 is 4300042411.

It is an interprime number because it is at equal distance from previous prime (1142400031) and next prime (1142400037).

It is a junction number, because it is equal to n+sod(n) for n = 1142399984 and 1142400020.

It is not an unprimeable number, because it can be changed into a prime (1142400031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540882 + ... + 542989.

It is an arithmetic number, because the mean of its divisors is an integer number (117058176).

Almost surely, 2^1142400034 is an apocalyptic number.

1142400034 is a deficient number, since it is larger than the sum of its proper divisors (730530782).

1142400034 is a wasteful number, since it uses less digits than its factorization.

1142400034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083921.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1142400034 is about 33799.4087818116. The cubic root of 1142400034 is about 1045.3765068069.

Adding to 1142400034 its reverse (4300042411), we get a palindrome (5442442445).

The spelling of 1142400034 in words is "one billion, one hundred forty-two million, four hundred thousand, thirty-four".