102572011 has 4 divisors (see below), whose sum is σ = 102598672. Its totient is φ = 102545352.

The previous prime is 102572009. The next prime is 102572023. The reversal of 102572011 is 110275201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110275201 = 2791 ⋅39511.

It is a cyclic number.

It is not a de Polignac number, because 102572011 - 2¹ = 102572009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102572011.

It is not an unprimeable number, because it can be changed into a prime (102570011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6336 + ... + 15661.

It is an arithmetic number, because the mean of its divisors is an integer number (25649668).

Almost surely, 2^102572011 is an apocalyptic number.

102572011 is a deficient number, since it is larger than the sum of its proper divisors (26661).

102572011 is an equidigital number, since it uses as much as digits as its factorization.

102572011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26660.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 102572011 is about 10127.7841110482. The cubic root of 102572011 is about 468.1046515790.

The spelling of 102572011 in words is "one hundred two million, five hundred seventy-two thousand, eleven".