1123659401 has 8 divisors (see below), whose sum is σ = 1154457024. Its totient is φ = 1092884400.

The previous prime is 1123659371. The next prime is 1123659431. The reversal of 1123659401 is 1049563211.

It is an interprime number because it is at equal distance from previous prime (1123659371) and next prime (1123659431).

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 1123659401 - 2²² = 1119465097 is a prime.

It is a super-2 number, since 2×1123659401² = 2525220898911357602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123659431) 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, 161276 + ... + 168098.

It is an arithmetic number, because the mean of its divisors is an integer number (144307128).

Almost surely, 2^1123659401 is an apocalyptic number.

It is an amenable number.

1123659401 is a deficient number, since it is larger than the sum of its proper divisors (30797623).

1123659401 is an equidigital number, since it uses as much as digits as its factorization.

1123659401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11311.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1123659401 is about 33521.0292353919. The cubic root of 1123659401 is about 1039.6286275729.

The spelling of 1123659401 in words is "one billion, one hundred twenty-three million, six hundred fifty-nine thousand, four hundred one".