1235255402 has 8 divisors (see below), whose sum is σ = 1864250976. Its totient is φ = 613838412.

The previous prime is 1235255387. The next prime is 1235255407. The reversal of 1235255402 is 2045525321.

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

It is not an unprimeable number, because it can be changed into a prime (1235255407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1894238 + ... + 1894889.

It is an arithmetic number, because the mean of its divisors is an integer number (233031372).

Almost surely, 2^1235255402 is an apocalyptic number.

1235255402 is a deficient number, since it is larger than the sum of its proper divisors (628995574).

1235255402 is a wasteful number, since it uses less digits than its factorization.

1235255402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789292.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1235255402 is about 35146.2003920765. The cubic root of 1235255402 is about 1072.9650783499.

It can be divided in two parts, 123 and 5255402, that added together give a palindrome (5255525).

The spelling of 1235255402 in words is "one billion, two hundred thirty-five million, two hundred fifty-five thousand, four hundred two".