1021552010 has 16 divisors (see below), whose sum is σ = 1839752136. Its totient is φ = 408407808.

The previous prime is 1021552001. The next prime is 1021552013. The reversal of 1021552010 is 102551201.

It can be written as a sum of positive squares in 4 ways, for example, as 700819729 + 320732281 = 26473^2 + 17909^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1021552010.

It is not an unprimeable number, because it can be changed into a prime (1021552013) 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, 5699 + ... + 45558.

Almost surely, 2^1021552010 is an apocalyptic number.

1021552010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021552010 is a deficient number, since it is larger than the sum of its proper divisors (818200126).

1021552010 is a wasteful number, since it uses less digits than its factorization.

1021552010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53257.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1021552010 is about 31961.7272687194. The cubic root of 1021552010 is about 1007.1330026317.

The spelling of 1021552010 in words is "one billion, twenty-one million, five hundred fifty-two thousand, ten".