1012011602 has 24 divisors (see below), whose sum is σ = 1778770044. Its totient is φ = 430547712.

The previous prime is 1012011599. The next prime is 1012011607. The reversal of 1012011602 is 2061102101.

It can be written as a sum of positive squares in 2 ways, for example, as 937033321 + 74978281 = 30611^2 + 8659^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1012011607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24263 + ... + 51114.

Almost surely, 2^1012011602 is an apocalyptic number.

1012011602 is a deficient number, since it is larger than the sum of its proper divisors (766758442).

1012011602 is a wasteful number, since it uses less digits than its factorization.

1012011602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75530 (or 75523 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1012011602 is about 31812.1297935237. The cubic root of 1012011602 is about 1003.9879425069.

Adding to 1012011602 its reverse (2061102101), we get a palindrome (3073113703).

The spelling of 1012011602 in words is "one billion, twelve million, eleven thousand, six hundred two".