90601012 has 12 divisors (see below), whose sum is σ = 162837220. Its totient is φ = 44076096.

The previous prime is 90601001. The next prime is 90601013. The reversal of 90601012 is 21010609.

It can be written as a sum of positive squares in 2 ways, for example, as 54552996 + 36048016 = 7386^2 + 6004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90601013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305937 + ... + 306232.

Almost surely, 2^90601012 is an apocalyptic number.

It is an amenable number.

90601012 is a deficient number, since it is larger than the sum of its proper divisors (72236208).

90601012 is a wasteful number, since it uses less digits than its factorization.

90601012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612210 (or 612208 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 90601012 is about 9518.4563874612. The cubic root of 90601012 is about 449.1358097646.

The spelling of 90601012 in words is "ninety million, six hundred one thousand, twelve".