1258994 has 16 divisors (see below), whose sum is σ = 2086560. Its totient is φ = 564960.

The previous prime is 1258993. The next prime is 1259017. The reversal of 1258994 is 4998521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258993) 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, 1637 + ... + 2279.

It is an arithmetic number, because the mean of its divisors is an integer number (130410).

2^1258994 is an apocalyptic number.

1258994 is a deficient number, since it is larger than the sum of its proper divisors (827566).

1258994 is a wasteful number, since it uses less digits than its factorization.

1258994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745.

The product of its digits is 25920, while the sum is 38.

The square root of 1258994 is about 1122.0490185371. The cubic root of 1258994 is about 107.9794771246.

It can be divided in two parts, 125 and 8994, that multiplied together give a triangular number (1124250 = T₁₄₉₉).

The spelling of 1258994 in words is "one million, two hundred fifty-eight thousand, nine hundred ninety-four".