1142420034 has 16 divisors (see below), whose sum is σ = 2611245888. Its totient is φ = 326405712.

The previous prime is 1142420021. The next prime is 1142420047. The reversal of 1142420034 is 4300242411.

It is an interprime number because it is at equal distance from previous prime (1142420021) and next prime (1142420047).

It is a super-2 number, since 2×1142420034² = 2610247068169122312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13600197 + ... + 13600280.

It is an arithmetic number, because the mean of its divisors is an integer number (163202868).

Almost surely, 2^1142420034 is an apocalyptic number.

1142420034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1142420034 is an abundant number, since it is smaller than the sum of its proper divisors (1468825854).

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

1142420034 is a wasteful number, since it uses less digits than its factorization.

1142420034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27200489.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1142420034 is about 33799.7046436800. The cubic root of 1142420034 is about 1045.3826072409.

Adding to 1142420034 its reverse (4300242411), we get a palindrome (5442662445).

The spelling of 1142420034 in words is "one billion, one hundred forty-two million, four hundred twenty thousand, thirty-four".