601020945 has 64 divisors (see below), whose sum is σ = 1224253440. Its totient is φ = 274048704.

The previous prime is 601020943. The next prime is 601020947. The reversal of 601020945 is 549020106.

It is an interprime number because it is at equal distance from previous prime (601020943) and next prime (601020947).

It is not a de Polignac number, because 601020945 - 2¹ = 601020943 is a prime.

It is a super-2 number, since 2×601020945² = 722452352657386050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

Together with 623232495 it forms an amicable pair .

It is not an unprimeable number, because it can be changed into a prime (601020943) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 610924 + ... + 611906.

It is an arithmetic number, because the mean of its divisors is an integer number (19128960).

Almost surely, 2^601020945 is an apocalyptic number.

It is an amenable number.

601020945 is an abundant number, since it is smaller than the sum of its proper divisors (623232495).

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

601020945 is a wasteful number, since it uses less digits than its factorization.

601020945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 601020945 is about 24515.7285227260. The cubic root of 601020945 is about 843.9107821994.

The spelling of 601020945 in words is "six hundred one million, twenty thousand, nine hundred forty-five".