1264453064 has 32 divisors (see below), whose sum is σ = 2868929280. Its totient is φ = 510031104.

The previous prime is 1264453063. The next prime is 1264453067. The reversal of 1264453064 is 4603544621.

It is not an unprimeable number, because it can be changed into a prime (1264453063) 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, 663152 + ... + 665055.

It is an arithmetic number, because the mean of its divisors is an integer number (89654040).

Almost surely, 2^1264453064 is an apocalyptic number.

1264453064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1264453064 is an abundant number, since it is smaller than the sum of its proper divisors (1604476216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1264453064 is a wasteful number, since it uses less digits than its factorization.

1264453064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328237 (or 1328233 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 1264453064 is about 35559.1488087103. The cubic root of 1264453064 is about 1081.3532031800.

Adding to 1264453064 its reverse (4603544621), we get a palindrome (5867997685).

The spelling of 1264453064 in words is "one billion, two hundred sixty-four million, four hundred fifty-three thousand, sixty-four".