1240107061 has 6 divisors (see below), whose sum is σ = 1251855330. Its totient is φ = 1228365648.

The previous prime is 1240107023. The next prime is 1240107101. The reversal of 1240107061 is 1607010421.

It can be written as a sum of positive squares in 3 ways, for example, as 1056640036 + 183467025 = 32506^2 + 13545^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1240107061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240107761) 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, 365971 + ... + 369343.

It is an arithmetic number, because the mean of its divisors is an integer number (208642555).

Almost surely, 2^1240107061 is an apocalyptic number.

It is an amenable number.

1240107061 is a deficient number, since it is larger than the sum of its proper divisors (11748269).

1240107061 is an frugal number, since it uses more digits than its factorization.

1240107061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855 (or 3482 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1240107061 is about 35215.1538545553. The cubic root of 1240107061 is about 1074.3679893468.

Adding to 1240107061 its reverse (1607010421), we get a palindrome (2847117482).

The spelling of 1240107061 in words is "one billion, two hundred forty million, one hundred seven thousand, sixty-one".