1078503240 has 32 divisors (see below), whose sum is σ = 3235510080. Its totient is φ = 287600832.

The previous prime is 1078503233. The next prime is 1078503247. The reversal of 1078503240 is 423058701.

It is an interprime number because it is at equal distance from previous prime (1078503233) and next prime (1078503247).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1078503198 and 1078503207.

It is not an unprimeable number, because it can be changed into a prime (1078503247) 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, 4493644 + ... + 4493883.

It is an arithmetic number, because the mean of its divisors is an integer number (101109690).

Almost surely, 2^1078503240 is an apocalyptic number.

1078503240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078503240 is an abundant number, since it is smaller than the sum of its proper divisors (2157006840).

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

1078503240 is a wasteful number, since it uses less digits than its factorization.

1078503240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8987541 (or 8987537 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1078503240 is about 32840.5730766075. The cubic root of 1078503240 is about 1025.5113815490.

The spelling of 1078503240 in words is "one billion, seventy-eight million, five hundred three thousand, two hundred forty".