1157723470 has 8 divisors (see below), whose sum is σ = 2083902264. Its totient is φ = 463089384.

The previous prime is 1157723459. The next prime is 1157723473. The reversal of 1157723470 is 743277511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157723473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57886164 + ... + 57886183.

It is an arithmetic number, because the mean of its divisors is an integer number (260487783).

Almost surely, 2^1157723470 is an apocalyptic number.

1157723470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157723470 is a deficient number, since it is larger than the sum of its proper divisors (926178794).

1157723470 is a wasteful number, since it uses less digits than its factorization.

1157723470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115772354.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 1157723470 is about 34025.3357073813. The cubic root of 1157723470 is about 1050.0297708868.

The spelling of 1157723470 in words is "one billion, one hundred fifty-seven million, seven hundred twenty-three thousand, four hundred seventy".