1235049920 has 224 divisors, whose sum is σ = 3344119296. Its totient is φ = 431308800.

The previous prime is 1235049901. The next prime is 1235049943. The reversal of 1235049920 is 299405321.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7866482 + ... + 7866638.

It is an arithmetic number, because the mean of its divisors is an integer number (14929104).

Almost surely, 2^1235049920 is an apocalyptic number.

1235049920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1235049920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672059648).

1235049920 is an abundant number, since it is smaller than the sum of its proper divisors (2109069376).

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

1235049920 is a wasteful number, since it uses less digits than its factorization.

1235049920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1235049920 is about 35143.2770242048. The cubic root of 1235049920 is about 1072.9055799292.

The spelling of 1235049920 in words is "one billion, two hundred thirty-five million, forty-nine thousand, nine hundred twenty".