7122801 has 16 divisors (see below), whose sum is σ = 11326464. Its totient is φ = 3892944.

The previous prime is 7122799. The next prime is 7122809. The reversal of 7122801 is 1082217.

It is not a de Polignac number, because 7122801 - 2¹ = 7122799 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (7122809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6891 + ... + 7856.

It is an arithmetic number, because the mean of its divisors is an integer number (707904).

Almost surely, 2^7122801 is an apocalyptic number.

It is an amenable number.

7122801 is a deficient number, since it is larger than the sum of its proper divisors (4203663).

7122801 is a wasteful number, since it uses less digits than its factorization.

7122801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14780.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 7122801 is about 2668.8576207808. The cubic root of 7122801 is about 192.4052583772.

The spelling of 7122801 in words is "seven million, one hundred twenty-two thousand, eight hundred one".