1010021207 has 8 divisors (see below), whose sum is σ = 1087976736. Its totient is φ = 932103072.

The previous prime is 1010021203. The next prime is 1010021213. The reversal of 1010021207 is 7021200101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010021207 - 2² = 1010021203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010021191 and 1010021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010021203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74993 + ... + 87429.

It is an arithmetic number, because the mean of its divisors is an integer number (135997092).

Almost surely, 2^1010021207 is an apocalyptic number.

1010021207 is a deficient number, since it is larger than the sum of its proper divisors (77955529).

1010021207 is a wasteful number, since it uses less digits than its factorization.

1010021207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18697.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1010021207 is about 31780.8308104115. The cubic root of 1010021207 is about 1003.3293057555.

Adding to 1010021207 its reverse (7021200101), we get a palindrome (8031221308).

The spelling of 1010021207 in words is "one billion, ten million, twenty-one thousand, two hundred seven".