1228572601 has 3 divisors (see below), whose sum is σ = 1228607653. Its totient is φ = 1228537550.

The previous prime is 1228572593. The next prime is 1228572641. The reversal of 1228572601 is 1062758221.

It is a happy number.

The square root of 1228572601 is 35051.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1228572601 - 2³ = 1228572593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228572641) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 17526 + ... + 52576.

Almost surely, 2^1228572601 is an apocalyptic number.

1228572601 is the 35051-st square number.

1228572601 is the 17526-th centered octagonal number.

It is an amenable number.

1228572601 is a deficient number, since it is larger than the sum of its proper divisors (35052).

1228572601 is an frugal number, since it uses more digits than its factorization.

1228572601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70102 (or 35051 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The cubic root of 1228572601 is about 1071.0266447084.

The spelling of 1228572601 in words is "one billion, two hundred twenty-eight million, five hundred seventy-two thousand, six hundred one".