3157287126 has 64 divisors (see below), whose sum is σ = 7412883456. Its totient is φ = 877716000.

The previous prime is 3157287079. The next prime is 3157287127. The reversal of 3157287126 is 6217827513.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157287127) 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, 486201 + ... + 492651.

It is an arithmetic number, because the mean of its divisors is an integer number (115826304).

Almost surely, 2^3157287126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3157287126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3706441728).

3157287126 is an abundant number, since it is smaller than the sum of its proper divisors (4255596330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3157287126 is a wasteful number, since it uses less digits than its factorization.

3157287126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6777.

The product of its digits is 141120, while the sum is 42.

The square root of 3157287126 is about 56189.7421777320. The cubic root of 3157287126 is about 1467.0267274969.

The spelling of 3157287126 in words is "three billion, one hundred fifty-seven million, two hundred eighty-seven thousand, one hundred twenty-six".