121470001 has 6 divisors (see below), whose sum is σ = 124843110. Its totient is φ = 118185696.

The previous prime is 121469989. The next prime is 121470071. The reversal of 121470001 is 100074121.

It can be written as a sum of positive squares in 3 ways, for example, as 44890000 + 76580001 = 6700^2 + 8751^2 .

It is not a de Polignac number, because 121470001 - 2²¹ = 119372849 is a prime.

It is a super-2 number, since 2×121470001² = 29509922285880002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121470071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42996 + ... + 45733.

It is an arithmetic number, because the mean of its divisors is an integer number (20807185).

Almost surely, 2^121470001 is an apocalyptic number.

It is an amenable number.

121470001 is a deficient number, since it is larger than the sum of its proper divisors (3373109).

121470001 is an frugal number, since it uses more digits than its factorization.

121470001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88803 (or 88766 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 121470001 is about 11021.3429762439. The cubic root of 121470001 is about 495.2483208037.

The spelling of 121470001 in words is "one hundred twenty-one million, four hundred seventy thousand, one".