1267234480 has 40 divisors (see below), whose sum is σ = 2947914000. Its totient is φ = 506619648.

The previous prime is 1267234471. The next prime is 1267234487. The reversal of 1267234480 is 844327621.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1267234487) 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, 212986 + ... + 218854.

It is an arithmetic number, because the mean of its divisors is an integer number (73697850).

Almost surely, 2^1267234480 is an apocalyptic number.

1267234480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1267234480 is an abundant number, since it is smaller than the sum of its proper divisors (1680679520).

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

1267234480 is a wasteful number, since it uses less digits than its factorization.

1267234480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8581 (or 8575 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 1267234480 is about 35598.2370349994. The cubic root of 1267234480 is about 1082.1455063341.

The spelling of 1267234480 in words is "one billion, two hundred sixty-seven million, two hundred thirty-four thousand, four hundred eighty".