1201258723 has 8 divisors (see below), whose sum is σ = 1373116160. Its totient is φ = 1029463560.

The previous prime is 1201258657. The next prime is 1201258739. The reversal of 1201258723 is 3278521021.

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 1201258723 - 2¹⁷ = 1201127651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201258423) 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, 38128 + ... + 62098.

It is an arithmetic number, because the mean of its divisors is an integer number (171639520).

Almost surely, 2^1201258723 is an apocalyptic number.

1201258723 is a deficient number, since it is larger than the sum of its proper divisors (171857437).

1201258723 is an equidigital number, since it uses as much as digits as its factorization.

1201258723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31137.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1201258723 is about 34659.1794911536. The cubic root of 1201258723 is about 1063.0299928969.

Adding to 1201258723 its reverse (3278521021), we get a palindrome (4479779744).

The spelling of 1201258723 in words is "one billion, two hundred one million, two hundred fifty-eight thousand, seven hundred twenty-three".