1248978 has 32 divisors (see below), whose sum is σ = 2635776. Its totient is φ = 394128.

The previous prime is 1248977. The next prime is 1248979. The reversal of 1248978 is 8798421.

It is an interprime number because it is at equal distance from previous prime (1248977) and next prime (1248979).

It is not an unprimeable number, because it can be changed into a prime (1248977) 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, 12075 + ... + 12177.

It is an arithmetic number, because the mean of its divisors is an integer number (82368).

2^1248978 is an apocalyptic number.

1248978 is an abundant number, since it is smaller than the sum of its proper divisors (1386798).

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

1248978 is a wasteful number, since it uses less digits than its factorization.

1248978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198.

The product of its digits is 32256, while the sum is 39.

The square root of 1248978 is about 1117.5768429956. The cubic root of 1248978 is about 107.6923687336.

The spelling of 1248978 in words is "one million, two hundred forty-eight thousand, nine hundred seventy-eight".