1061725542 has 16 divisors (see below), whose sum is σ = 2149035840. Its totient is φ = 349644392.

The previous prime is 1061725519. The next prime is 1061725543. The reversal of 1061725542 is 2455271601.

It is a super-2 number, since 2×1061725542² = 2254522253070387528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061725543) 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, 1065492 + ... + 1066487.

It is an arithmetic number, because the mean of its divisors is an integer number (134314740).

Almost surely, 2^1061725542 is an apocalyptic number.

1061725542 is an abundant number, since it is smaller than the sum of its proper divisors (1087310298).

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

1061725542 is a wasteful number, since it uses less digits than its factorization.

1061725542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132067.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1061725542 is about 32584.1302170244. The cubic root of 1061725542 is about 1020.1657881229.

The spelling of 1061725542 in words is "one billion, sixty-one million, seven hundred twenty-five thousand, five hundred forty-two".