1137123465 has 8 divisors (see below), whose sum is σ = 1819397568. Its totient is φ = 606465840.

The previous prime is 1137123451. The next prime is 1137123467. The reversal of 1137123465 is 5643217311.

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

It is not a de Polignac number, because 1137123465 - 2⁶ = 1137123401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1137123467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37904101 + ... + 37904130.

It is an arithmetic number, because the mean of its divisors is an integer number (227424696).

Almost surely, 2^1137123465 is an apocalyptic number.

1137123465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1137123465 is a deficient number, since it is larger than the sum of its proper divisors (682274103).

1137123465 is an equidigital number, since it uses as much as digits as its factorization.

1137123465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75808239.

The product of its digits is 15120, while the sum is 33.

The square root of 1137123465 is about 33721.2613198261. The cubic root of 1137123465 is about 1043.7645450063.

The spelling of 1137123465 in words is "one billion, one hundred thirty-seven million, one hundred twenty-three thousand, four hundred sixty-five".