1051286742 has 64 divisors (see below), whose sum is σ = 2555781120. Its totient is φ = 317671200.

The previous prime is 1051286723. The next prime is 1051286759. The reversal of 1051286742 is 2476821501.

It is a super-2 number, since 2×1051286742² = 2210407627809949128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051286697 and 1051286706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225192 + ... + 229812.

It is an arithmetic number, because the mean of its divisors is an integer number (39934080).

Almost surely, 2^1051286742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051286742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277890560).

1051286742 is an abundant number, since it is smaller than the sum of its proper divisors (1504494378).

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

1051286742 is a wasteful number, since it uses less digits than its factorization.

1051286742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026 (or 5020 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1051286742 is about 32423.5522730006. The cubic root of 1051286742 is about 1016.8113745944.

The spelling of 1051286742 in words is "one billion, fifty-one million, two hundred eighty-six thousand, seven hundred forty-two".