1001200102 has 16 divisors (see below), whose sum is σ = 1716809472. Its totient is φ = 428969160.

The previous prime is 1001200099. The next prime is 1001200111. The reversal of 1001200102 is 2010021001.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61783 + ... + 76285.

It is an arithmetic number, because the mean of its divisors is an integer number (107300592).

Almost surely, 2^1001200102 is an apocalyptic number.

1001200102 is a deficient number, since it is larger than the sum of its proper divisors (715609370).

1001200102 is a wasteful number, since it uses less digits than its factorization.

1001200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19443.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1001200102 is about 31641.7461907525. The cubic root of 1001200102 is about 1000.3998740794.

Adding to 1001200102 its reverse (2010021001), we get a palindrome (3011221103).

The spelling of 1001200102 in words is "one billion, one million, two hundred thousand, one hundred two".