1065154772 has 36 divisors (see below), whose sum is σ = 2060887668. Its totient is φ = 481324800.

The previous prime is 1065154751. The next prime is 1065154777. The reversal of 1065154772 is 2774515601.

It can be written as a sum of positive squares in 2 ways, for example, as 952709956 + 112444816 = 30866^2 + 10604^2 .

It is a super-2 number, since 2×1065154772² = 2269109376628743968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065154777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77372 + ... + 90092.

Almost surely, 2^1065154772 is an apocalyptic number.

It is an amenable number.

1065154772 is a deficient number, since it is larger than the sum of its proper divisors (995732896).

1065154772 is a wasteful number, since it uses less digits than its factorization.

1065154772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12920 (or 12907 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 1065154772 is about 32636.7089639872. The cubic root of 1065154772 is about 1021.2629402890.

The spelling of 1065154772 in words is "one billion, sixty-five million, one hundred fifty-four thousand, seven hundred seventy-two".