1258268051 has 8 divisors (see below), whose sum is σ = 1270773504. Its totient is φ = 1245817800.

The previous prime is 1258268047. The next prime is 1258268057. The reversal of 1258268051 is 1508628521.

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 1258268051 - 2² = 1258268047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1258267996 and 1258268014.

It is not an unprimeable number, because it can be changed into a prime (1258268057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32786 + ... + 59928.

It is an arithmetic number, because the mean of its divisors is an integer number (158846688).

Almost surely, 2^1258268051 is an apocalyptic number.

1258268051 is a deficient number, since it is larger than the sum of its proper divisors (12505453).

1258268051 is a wasteful number, since it uses less digits than its factorization.

1258268051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27601.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 1258268051 is about 35472.0742415777. The cubic root of 1258268051 is about 1079.5871910545.

The spelling of 1258268051 in words is "one billion, two hundred fifty-eight million, two hundred sixty-eight thousand, fifty-one".