1247058953 has 16 divisors (see below), whose sum is σ = 1544146560. Its totient is φ = 982630656.

The previous prime is 1247058949. The next prime is 1247058961. The reversal of 1247058953 is 3598507421.

It is not a de Polignac number, because 1247058953 - 2² = 1247058949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1247058353) 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, 116738 + ... + 126971.

It is an arithmetic number, because the mean of its divisors is an integer number (96509160).

Almost surely, 2^1247058953 is an apocalyptic number.

It is an amenable number.

1247058953 is a deficient number, since it is larger than the sum of its proper divisors (297087607).

1247058953 is a wasteful number, since it uses less digits than its factorization.

1247058953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243776.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 1247058953 is about 35313.7218797453. The cubic root of 1247058953 is about 1076.3718424011.

The spelling of 1247058953 in words is "one billion, two hundred forty-seven million, fifty-eight thousand, nine hundred fifty-three".