1189472501 has 6 divisors (see below), whose sum is σ = 1383672150. Its totient is φ = 1019547816.

The previous prime is 1189472483. The next prime is 1189472519. The reversal of 1189472501 is 1052749811.

It is an interprime number because it is at equal distance from previous prime (1189472483) and next prime (1189472519).

It can be written as a sum of positive squares in only one way, i.e., 830938276 + 358534225 = 28826^2 + 18935^2 .

It is not a de Polignac number, because 1189472501 - 2¹⁰ = 1189471477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189472701) 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, 12137426 + ... + 12137523.

It is an arithmetic number, because the mean of its divisors is an integer number (230612025).

Almost surely, 2^1189472501 is an apocalyptic number.

It is an amenable number.

1189472501 is a deficient number, since it is larger than the sum of its proper divisors (194199649).

1189472501 is an equidigital number, since it uses as much as digits as its factorization.

1189472501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24274963 (or 24274956 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 1189472501 is about 34488.7300578029. The cubic root of 1189472501 is about 1059.5418991791.

The spelling of 1189472501 in words is "one billion, one hundred eighty-nine million, four hundred seventy-two thousand, five hundred one".