1234982790 has 48 divisors (see below), whose sum is σ = 3285638928. Its totient is φ = 321668928.

The previous prime is 1234982773. The next prime is 1234982797. The reversal of 1234982790 is 972894321.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234982797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155689 + ... + 163428.

It is an arithmetic number, because the mean of its divisors is an integer number (68450811).

Almost surely, 2^1234982790 is an apocalyptic number.

1234982790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1234982790 is an abundant number, since it is smaller than the sum of its proper divisors (2050656138).

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

1234982790 is a wasteful number, since it uses less digits than its factorization.

1234982790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319173 (or 319170 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1234982790 is about 35142.3219210114. The cubic root of 1234982790 is about 1072.8861406457.

The spelling of 1234982790 in words is "one billion, two hundred thirty-four million, nine hundred eighty-two thousand, seven hundred ninety".