1235408961 has 8 divisors (see below), whose sum is σ = 1704012480. Its totient is φ = 795205712.

The previous prime is 1235408957. The next prime is 1235408981. The reversal of 1235408961 is 1698045321.

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 1235408961 - 2² = 1235408957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1235408981) 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, 7099965 + ... + 7100138.

It is an arithmetic number, because the mean of its divisors is an integer number (213001560).

Almost surely, 2^1235408961 is an apocalyptic number.

It is an amenable number.

1235408961 is a deficient number, since it is larger than the sum of its proper divisors (468603519).

1235408961 is a wasteful number, since it uses less digits than its factorization.

1235408961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14200135.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1235408961 is about 35148.3848988826. The cubic root of 1235408961 is about 1073.0095378782.

The spelling of 1235408961 in words is "one billion, two hundred thirty-five million, four hundred eight thousand, nine hundred sixty-one".