1201001124 has 24 divisors (see below), whose sum is σ = 2817013248. Its totient is φ = 398236960.

The previous prime is 1201001111. The next prime is 1201001129. The reversal of 1201001124 is 4211001021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1201001129) 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, 259707 + ... + 264290.

It is an arithmetic number, because the mean of its divisors is an integer number (117375552).

Almost surely, 2^1201001124 is an apocalyptic number.

It is an amenable number.

1201001124 is an abundant number, since it is smaller than the sum of its proper divisors (1616012124).

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

1201001124 is a wasteful number, since it uses less digits than its factorization.

1201001124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524195 (or 524193 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1201001124 is about 34655.4631191101. The cubic root of 1201001124 is about 1062.9540017625.

Adding to 1201001124 its reverse (4211001021), we get a palindrome (5412002145).

The spelling of 1201001124 in words is "one billion, two hundred one million, one thousand, one hundred twenty-four".