1267052943 has 16 divisors (see below), whose sum is σ = 1915114880. Its totient is φ = 738686304.

The previous prime is 1267052923. The next prime is 1267052947. The reversal of 1267052943 is 3492507621.

1267052943 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1267052943 - 2¹⁴ = 1267036559 is a prime.

It is a super-2 number, since 2×1267052943² = 3210846320729922498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267052947) 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, 854221 + ... + 855702.

It is an arithmetic number, because the mean of its divisors is an integer number (119694680).

Almost surely, 2^1267052943 is an apocalyptic number.

1267052943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1267052943 is a deficient number, since it is larger than the sum of its proper divisors (648061937).

1267052943 is a wasteful number, since it uses less digits than its factorization.

1267052943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709958.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1267052943 is about 35595.6871404388. The cubic root of 1267052943 is about 1082.0938298071.

The spelling of 1267052943 in words is "one billion, two hundred sixty-seven million, fifty-two thousand, nine hundred forty-three".