1235420424 has 80 divisors (see below), whose sum is σ = 3954667200. Its totient is φ = 352975968.

The previous prime is 1235420363. The next prime is 1235420441. The reversal of 1235420424 is 4240245321.

1235420424 is a `hidden beast` number, since 1 + 235 + 4 + 2 + 0 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 131644 + ... + 140715.

It is an arithmetic number, because the mean of its divisors is an integer number (49433340).

Almost surely, 2^1235420424 is an apocalyptic number.

1235420424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1235420424 is an abundant number, since it is smaller than the sum of its proper divisors (2719246776).

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

1235420424 is a wasteful number, since it uses less digits than its factorization.

1235420424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272384 (or 272371 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1235420424 is about 35148.5479643185. The cubic root of 1235420424 is about 1073.0128565822.

Adding to 1235420424 its reverse (4240245321), we get a palindrome (5475665745).

The spelling of 1235420424 in words is "one billion, two hundred thirty-five million, four hundred twenty thousand, four hundred twenty-four".