1041249378 has 64 divisors (see below), whose sum is σ = 2274693120. Its totient is φ = 315850752.

The previous prime is 1041249373. The next prime is 1041249383. The reversal of 1041249378 is 8739421401.

It is an interprime number because it is at equal distance from previous prime (1041249373) and next prime (1041249383).

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

It is not an unprimeable number, because it can be changed into a prime (1041249373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2545638 + ... + 2546046.

It is an arithmetic number, because the mean of its divisors is an integer number (35542080).

Almost surely, 2^1041249378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1041249378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137346560).

1041249378 is an abundant number, since it is smaller than the sum of its proper divisors (1233443742).

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

1041249378 is a wasteful number, since it uses less digits than its factorization.

1041249378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1041249378 is about 32268.3959626133. The cubic root of 1041249378 is about 1013.5649527051.

The spelling of 1041249378 in words is "one billion, forty-one million, two hundred forty-nine thousand, three hundred seventy-eight".