1201001622 has 32 divisors (see below), whose sum is σ = 2455488000. Its totient is φ = 391436448.

The previous prime is 1201001591. The next prime is 1201001623. The reversal of 1201001622 is 2261001021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201001623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571129 + ... + 573227.

It is an arithmetic number, because the mean of its divisors is an integer number (76734000).

Almost surely, 2^1201001622 is an apocalyptic number.

1201001622 is an abundant number, since it is smaller than the sum of its proper divisors (1254486378).

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

1201001622 is a wasteful number, since it uses less digits than its factorization.

1201001622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1201001622 is about 34655.4703041237. The cubic root of 1201001622 is about 1062.9541486819.

Adding to 1201001622 its reverse (2261001021), we get a palindrome (3462002643).

The spelling of 1201001622 in words is "one billion, two hundred one million, one thousand, six hundred twenty-two".