1199141632 has 72 divisors (see below), whose sum is σ = 2610923840. Its totient is φ = 546324480.

The previous prime is 1199141627. The next prime is 1199141633. The reversal of 1199141632 is 2361419911.

It is a junction number, because it is equal to n+sod(n) for n = 1199141591 and 1199141600.

It is not an unprimeable number, because it can be changed into a prime (1199141633) 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, 260632 + ... + 265192.

Almost surely, 2^1199141632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199141632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1305461920).

1199141632 is an abundant number, since it is smaller than the sum of its proper divisors (1411782208).

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

1199141632 is an equidigital number, since it uses as much as digits as its factorization.

1199141632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669 (or 4655 counting only the distinct ones).

The product of its digits is 11664, while the sum is 37.

The square root of 1199141632 is about 34628.6244601197. The cubic root of 1199141632 is about 1062.4051331585.

The spelling of 1199141632 in words is "one billion, one hundred ninety-nine million, one hundred forty-one thousand, six hundred thirty-two".