1340125125 has 32 divisors (see below), whose sum is σ = 2232721920. Its totient is φ = 713851200.

The previous prime is 1340125121. The next prime is 1340125159. The reversal of 1340125125 is 5215210431.

It is a happy number.

It is not a de Polignac number, because 1340125125 - 2² = 1340125121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1340125095 and 1340125104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340125121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399204 + ... + 402546.

It is an arithmetic number, because the mean of its divisors is an integer number (69772560).

Almost surely, 2^1340125125 is an apocalyptic number.

1340125125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340125125 is a deficient number, since it is larger than the sum of its proper divisors (892596795).

1340125125 is a wasteful number, since it uses less digits than its factorization.

1340125125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430 (or 4420 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1340125125 is about 36607.7194728106. The cubic root of 1340125125 is about 1102.5080855635.

Adding to 1340125125 its reverse (5215210431), we get a palindrome (6555335556).

The spelling of 1340125125 in words is "one billion, three hundred forty million, one hundred twenty-five thousand, one hundred twenty-five".