102026551 has 8 divisors (see below), whose sum is σ = 116141184. Its totient is φ = 88718520.

The previous prime is 102026513. The next prime is 102026563. The reversal of 102026551 is 155620201.

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

It is not a de Polignac number, because 102026551 - 2¹⁹ = 101502263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102026591) 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, 201381 + ... + 201886.

It is an arithmetic number, because the mean of its divisors is an integer number (14517648).

Almost surely, 2^102026551 is an apocalyptic number.

102026551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102026551 is a deficient number, since it is larger than the sum of its proper divisors (14114633).

102026551 is a wasteful number, since it uses less digits than its factorization.

102026551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403301.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 102026551 is about 10100.8193232034. The cubic root of 102026551 is about 467.2734101681.

Adding to 102026551 its reverse (155620201), we get a palindrome (257646752).

The spelling of 102026551 in words is "one hundred two million, twenty-six thousand, five hundred fifty-one".