1235142403 has 8 divisors (see below), whose sum is σ = 1370266560. Its totient is φ = 1103824680.

The previous prime is 1235142397. The next prime is 1235142413. The reversal of 1235142403 is 3042415321.

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 1235142403 - 2²¹ = 1233045251 is a prime.

It is a super-2 number, since 2×1235142403² = 3051153511377228818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1235142413) 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, 950925 + ... + 952222.

It is an arithmetic number, because the mean of its divisors is an integer number (171283320).

Almost surely, 2^1235142403 is an apocalyptic number.

1235142403 is a deficient number, since it is larger than the sum of its proper divisors (135124157).

1235142403 is a wasteful number, since it uses less digits than its factorization.

1235142403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903217.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1235142403 is about 35144.5927988930. The cubic root of 1235142403 is about 1072.9323596970.

Adding to 1235142403 its reverse (3042415321), we get a palindrome (4277557724).

The spelling of 1235142403 in words is "one billion, two hundred thirty-five million, one hundred forty-two thousand, four hundred three".