1201834548 has 72 divisors (see below), whose sum is σ = 3179904000. Its totient is φ = 382003776.

The previous prime is 1201834511. The next prime is 1201834573. The reversal of 1201834548 is 8454381021.

1201834548 is a `hidden beast` number, since 1 + 20 + 183 + 454 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286893 + ... + 291051.

Almost surely, 2^1201834548 is an apocalyptic number.

1201834548 is a gapful number since it is divisible by the number (18) 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 1201834548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589952000).

1201834548 is an abundant number, since it is smaller than the sum of its proper divisors (1978069452).

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

1201834548 is a wasteful number, since it uses less digits than its factorization.

1201834548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1201834548 is about 34667.4854582792. The cubic root of 1201834548 is about 1063.1998207209.

The spelling of 1201834548 in words is "one billion, two hundred one million, eight hundred thirty-four thousand, five hundred forty-eight".