102120133454 has 8 divisors (see below), whose sum is σ = 161242316040. Its totient is φ = 48372694776.

The previous prime is 102120133447. The next prime is 102120133471. The reversal of 102120133454 is 454331021201.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343685929 + ... + 1343686004.

It is an arithmetic number, because the mean of its divisors is an integer number (20155289505).

Almost surely, 2^102120133454 is an apocalyptic number.

102120133454 is a deficient number, since it is larger than the sum of its proper divisors (59122182586).

102120133454 is a wasteful number, since it uses less digits than its factorization.

102120133454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687371954.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 102120133454 its reverse (454331021201), we get a palindrome (556451154655).

The spelling of 102120133454 in words is "one hundred two billion, one hundred twenty million, one hundred thirty-three thousand, four hundred fifty-four".