1264416123 has 16 divisors (see below), whose sum is σ = 1879009920. Its totient is φ = 751602816.

The previous prime is 1264416121. The next prime is 1264416143. The reversal of 1264416123 is 3216144621.

It is not a de Polignac number, because 1264416123 - 2¹ = 1264416121 is a prime.

It is a super-2 number, since 2×1264416123² = 3197496264204702258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1264416121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651465 + ... + 653402.

It is an arithmetic number, because the mean of its divisors is an integer number (117438120).

Almost surely, 2^1264416123 is an apocalyptic number.

1264416123 is a deficient number, since it is larger than the sum of its proper divisors (614593797).

1264416123 is a wasteful number, since it uses less digits than its factorization.

1264416123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304906.

The product of its digits is 6912, while the sum is 30.

The square root of 1264416123 is about 35558.6293745977. The cubic root of 1264416123 is about 1081.3426724984.

The spelling of 1264416123 in words is "one billion, two hundred sixty-four million, four hundred sixteen thousand, one hundred twenty-three".