1235409996 has 12 divisors (see below), whose sum is σ = 2882623352. Its totient is φ = 411803328.

The previous prime is 1235409977. The next prime is 1235409997. The reversal of 1235409996 is 6999045321.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1235409997) 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, 51475405 + ... + 51475428.

Almost surely, 2^1235409996 is an apocalyptic number.

It is an amenable number.

1235409996 is an abundant number, since it is smaller than the sum of its proper divisors (1647213356).

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

1235409996 is a wasteful number, since it uses less digits than its factorization.

1235409996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102950840 (or 102950838 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 1235409996 is about 35148.3996221734. The cubic root of 1235409996 is about 1073.0098375265.

The spelling of 1235409996 in words is "one billion, two hundred thirty-five million, four hundred nine thousand, nine hundred ninety-six".