1201726464 has 88 divisors (see below), whose sum is σ = 3391600608. Its totient is φ = 376995840.

The previous prime is 1201726369. The next prime is 1201726469. The reversal of 1201726464 is 4646271021.

It is not an unprimeable number, because it can be changed into a prime (1201726469) 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, 40719 + ... + 63729.

It is an arithmetic number, because the mean of its divisors is an integer number (38540916).

Almost surely, 2^1201726464 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 1201726464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695800304).

1201726464 is an abundant number, since it is smaller than the sum of its proper divisors (2189874144).

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

1201726464 is a wasteful number, since it uses less digits than its factorization.

1201726464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23051 (or 23033 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1201726464 is about 34665.9265562021. The cubic root of 1201726464 is about 1063.1679476885.

Adding to 1201726464 its reverse (4646271021), we get a palindrome (5847997485).

The spelling of 1201726464 in words is "one billion, two hundred one million, seven hundred twenty-six thousand, four hundred sixty-four".