1235142074 has 8 divisors (see below), whose sum is σ = 1916599860. Its totient is φ = 596275456.

The previous prime is 1235142043. The next prime is 1235142107. The reversal of 1235142074 is 4702415321.

It can be written as a sum of positive squares in 2 ways, for example, as 1232501449 + 2640625 = 35107^2 + 1625^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10647719 + ... + 10647834.

Almost surely, 2^1235142074 is an apocalyptic number.

1235142074 is a deficient number, since it is larger than the sum of its proper divisors (681457786).

1235142074 is a wasteful number, since it uses less digits than its factorization.

1235142074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21295584.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1235142074 is about 35144.5881182295. The cubic root of 1235142074 is about 1072.9322644327.

Adding to 1235142074 its reverse (4702415321), we get a palindrome (5937557395).

The spelling of 1235142074 in words is "one billion, two hundred thirty-five million, one hundred forty-two thousand, seventy-four".