102455011 has 4 divisors (see below), whose sum is σ = 107847400. Its totient is φ = 97062624.

The previous prime is 102454997. The next prime is 102455033. The reversal of 102455011 is 110554201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110554201 = 9533 ⋅11597.

It is a cyclic number.

It is not a de Polignac number, because 102455011 - 2¹⁷ = 102323939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5392369 = 102455011 / (1 + 0 + 2 + 4 + 5 + 5 + 0 + 1 + 1).

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 102455011.

It is not an unprimeable number, because it can be changed into a prime (102455071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2696166 + ... + 2696203.

It is an arithmetic number, because the mean of its divisors is an integer number (26961850).

Almost surely, 2^102455011 is an apocalyptic number.

102455011 is a deficient number, since it is larger than the sum of its proper divisors (5392389).

102455011 is an equidigital number, since it uses as much as digits as its factorization.

102455011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392388.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 102455011 is about 10122.0062734618. The cubic root of 102455011 is about 467.9266007933.

The spelling of 102455011 in words is "one hundred two million, four hundred fifty-five thousand, eleven".