1231464005 has 8 divisors (see below), whose sum is σ = 1555533600. Its totient is φ = 933320016.

The previous prime is 1231464001. The next prime is 1231464011. The reversal of 1231464005 is 5004641321.

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 1231464005 - 2² = 1231464001 is a prime.

It is a super-2 number, since 2×1231464005² = 3033007191221280050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231464001) 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, 6481295 + ... + 6481484.

It is an arithmetic number, because the mean of its divisors is an integer number (194441700).

Almost surely, 2^1231464005 is an apocalyptic number.

It is an amenable number.

1231464005 is a deficient number, since it is larger than the sum of its proper divisors (324069595).

1231464005 is a wasteful number, since it uses less digits than its factorization.

1231464005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12962803.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1231464005 is about 35092.2214315366. The cubic root of 1231464005 is about 1071.8661947445.

The spelling of 1231464005 in words is "one billion, two hundred thirty-one million, four hundred sixty-four thousand, five".