1021602345 has 16 divisors (see below), whose sum is σ = 1639827072. Its totient is φ = 543100160.

The previous prime is 1021602331. The next prime is 1021602359. The reversal of 1021602345 is 5432061201.

1021602345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1021602331) and next prime (1021602359).

It is not a de Polignac number, because 1021602345 - 2⁷ = 1021602217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104832 + ... + 114161.

It is an arithmetic number, because the mean of its divisors is an integer number (102489192).

Almost surely, 2^1021602345 is an apocalyptic number.

1021602345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1021602345 is a deficient number, since it is larger than the sum of its proper divisors (618224727).

1021602345 is a wasteful number, since it uses less digits than its factorization.

1021602345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219312.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1021602345 is about 31962.5146851746. The cubic root of 1021602345 is about 1007.1495438705.

Adding to 1021602345 its reverse (5432061201), we get a palindrome (6453663546).

The spelling of 1021602345 in words is "one billion, twenty-one million, six hundred two thousand, three hundred forty-five".