98120001 has 24 divisors (see below), whose sum is σ = 158808384. Its totient is φ = 53628960.

The previous prime is 98119999. The next prime is 98120089. The reversal of 98120001 is 10002189.

It is not a de Polignac number, because 98120001 - 2¹ = 98119999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 98120001.

It is not an unprimeable number, because it can be changed into a prime (98120101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11130 + ... + 17891.

It is an arithmetic number, because the mean of its divisors is an integer number (6617016).

Almost surely, 2^98120001 is an apocalyptic number.

It is an amenable number.

98120001 is a deficient number, since it is larger than the sum of its proper divisors (60688383).

98120001 is a wasteful number, since it uses less digits than its factorization.

98120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29061 (or 29054 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 98120001 is about 9905.5540481086. The cubic root of 98120001 is about 461.2317350895.

The spelling of 98120001 in words is "ninety-eight million, one hundred twenty thousand, one".