1235420254 has 8 divisors (see below), whose sum is σ = 1853279568. Its totient is φ = 617660400.

The previous prime is 1235420233. The next prime is 1235420257. The reversal of 1235420254 is 4520245321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235420257) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35514 + ... + 61090.

It is an arithmetic number, because the mean of its divisors is an integer number (231659946).

Almost surely, 2^1235420254 is an apocalyptic number.

1235420254 is a deficient number, since it is larger than the sum of its proper divisors (617859314).

1235420254 is a wasteful number, since it uses less digits than its factorization.

1235420254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49730.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1235420254 is about 35148.5455460109. The cubic root of 1235420254 is about 1073.0128073649.

Adding to 1235420254 its reverse (4520245321), we get a palindrome (5755665575).

The spelling of 1235420254 in words is "one billion, two hundred thirty-five million, four hundred twenty thousand, two hundred fifty-four".