10122947554 has 4 divisors (see below), whose sum is σ = 15184421334. Its totient is φ = 5061473776.

The previous prime is 10122947539. The next prime is 10122947563. The reversal of 10122947554 is 45574922101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45574922101 = 83 ⋅549095447.

It can be written as a sum of positive squares in only one way, i.e., 5071576225 + 5051371329 = 71215^2 + 71073^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530736887 + ... + 2530736890.

Almost surely, 2^10122947554 is an apocalyptic number.

10122947554 is a deficient number, since it is larger than the sum of its proper divisors (5061473780).

10122947554 is an equidigital number, since it uses as much as digits as its factorization.

10122947554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061473779.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 10122947554 in words is "ten billion, one hundred twenty-two million, nine hundred forty-seven thousand, five hundred fifty-four".